Year Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 1901 26340.7 29070.5 31098.0 32369.5 32131.6 29154.2 22308.3 16792.1 15282.6 16795.9 19571.5 23389.6 1902 26973.4 29619.9 31746.6 33371.7 33267.0 30365.5 23679.1 18051.2 16377.3 17557.8 20301.8 23981.1 1903 27469.6 30276.6 32259.7 33658.8 33646.3 30446.6 23105.4 17095.7 15407.5 16773.1 19665.3 23694.4 1904 27486.3 30430.0 32827.4 34184.3 33990.8 31426.8 24828.4 19060.0 17336.5 18464.5 21273.6 25240.5 1905 28787.1 31493.3 33696.8 35212.0 35331.5 32190.7 25577.8 19762.2 17826.3 18714.0 21230.0 24761.1 1906 28247.1 31090.6 33162.8 34378.4 34051.0 31269.5 24501.6 18686.6 16430.9 17237.0 19920.2 23706.7 1907 26904.5 29697.8 31841.8 33257.5 33340.2 30839.7 24213.4 18355.0 15762.1 16905.9 19614.1 23355.5 1908 27112.3 30016.7 32270.4 33868.8 33914.2 31463.2 24659.7 18462.6 16675.2 17837.2 20706.8 24416.1 1909 28182.5 31163.8 33265.3 34501.3 34258.0 30905.2 23573.9 17619.0 15938.6 17152.2 19845.3 23502.2 1910 27064.3 29710.2 31655.8 33093.1 32963.9 30078.5 23213.9 17648.9 15906.4 17065.9 19880.7 23850.0 1911 27663.2 30630.8 32820.6 34444.6 34420.8 31748.5 24357.6 18451.7 16509.8 17452.9 20158.9 23747.0 1912 27322.8 30358.4 32754.6 34506.8 34564.9 31874.9 25009.2 18943.3 17029.4 17904.7 20294.7 24056.2 1913 27748.7 30481.0 32399.2 33721.5 33581.1 31397.3 25076.1 19062.7 16911.6 17928.4 20558.0 24087.9 1914 27695.1 30249.1 32537.3 34170.0 34001.3 31095.7 24154.5 18702.9 16314.0 16908.2 19685.6 23391.6 1915 26958.0 29749.8 31957.2 33042.6 32567.1 29310.2 22180.3 16425.3 14590.1 16109.9 18884.9 22631.8 1916 26141.6 28970.8 31318.1 32605.8 32541.8 30184.4 23933.8 18417.0 16928.1 17808.8 20263.9 23892.4 1917 27523.9 30393.5 32405.9 34234.5 34448.3 31336.0 23939.3 17636.2 16106.5 17443.8 19974.4 23505.7 1918 26942.8 29417.2 31361.7 32826.7 32856.2 30105.7 22901.1 16518.6 14682.1 16052.6 18764.6 22651.9 1919 26425.4 29284.6 31213.8 32578.0 32645.3 29987.0 23173.9 17163.3 15456.2 16442.8 19180.5 22975.0 1920 26486.5 29290.8 31294.1 32773.8 32529.8 29836.1 23248.8 17128.9 15285.9 16607.3 19222.5 22777.9 1921 26541.2 29230.2 31297.4 32769.8 32769.3 29387.8 22106.2 16261.9 14485.6 15448.6 18028.3 21900.0 1922 25505.7 28156.4 30414.1 31720.2 31559.4 28222.5 21120.6 15372.0 13960.3 15380.3 18165.8 21953.8 1923 25598.8 28378.1 30543.8 31852.6 31856.1 28735.1 21355.9 15469.8 13882.2 15195.9 17939.6 21772.0 1924 25318.3 28398.1 30670.8 32059.7 31971.4 29540.6 23092.3 17097.3 15211.4 16226.3 18903.8 22495.2 1925 25924.5 28769.8 31033.5 32324.2 32266.1 29731.8 23290.6 17585.9 15909.7 17074.9 19682.5 23460.6 1926 26944.7 29872.7 32111.3 33458.5 33457.1 30788.8 24030.8 18301.8 16110.6 17039.5 19862.7 23569.3 1927 27207.6 30150.0 32288.5 33874.4 33793.2 30776.2 23695.9 17378.3 15439.8 16608.2 19348.0 23118.1 1928 26790.1 29607.8 31761.2 33278.0 33114.7 30058.9 23194.7 17697.0 15513.4 16875.8 19512.4 23173.9 1929 26773.5 29495.5 31975.8 33724.9 33876.9 31761.3 26016.8 20356.2 18566.2 19355.0 21920.1 25421.8 1930 28567.3 31013.6 33144.0 34295.4 34022.7 31092.5 23964.1 18320.6 16743.6 17884.3 20533.1 24010.0 1931 27457.7 30043.6 32137.3 33566.9 33080.5 29621.1 22443.7 16700.3 15077.1 16552.4 19089.7 22674.6 1932 26393.5 29152.2 31133.7 32488.0 32452.2 29886.1 22997.3 16910.1 14655.2 15857.3 18853.7 22541.2 1933 26122.2 29042.0 31225.0 32501.5 32173.4 29633.1 22663.0 16581.5 14773.0 16159.1 19001.8 22702.3 1934 26231.6 29051.3 31242.4 32757.5 32523.0 29091.6 21995.6 15969.7 14111.8 15435.8 17985.6 21504.3 1935 25197.5 28042.7 30266.4 31814.1 31934.2 28771.1 21477.4 15524.7 13862.6 15365.3 17797.1 21520.8 1936 24891.7 27750.3 29869.7 31369.9 31325.0 28680.0 21419.2 15063.9 12850.1 14247.4 17425.2 21327.1 1937 25002.9 27842.5 30089.5 31572.7 31570.6 28703.2 21874.6 16262.0 14261.9 15317.8 18298.0 21836.3 1938 25389.6 28027.4 29983.4 31389.5 31370.1 28616.6 21482.9 15324.4 12950.0 14068.4 16953.4 20621.6 1939 24426.6 27200.1 29284.9 31050.2 31196.8 28913.9 22379.9 16766.8 15236.0 16506.3 19219.3 22814.8 1940 26308.0 29007.4 30928.2 32256.1 32200.5 29764.2 22682.5 16724.1 14401.0 15942.7 18870.7 22857.2 1941 26548.1 29319.5 31638.5 33407.8 33477.7 30342.8 23465.4 17910.4 16471.2 17827.5 20317.6 24075.5 1942 27488.5 30064.9 32153.5 33579.4 33609.8 31544.3 25746.5 20170.0 18675.4 19437.0 21968.4 25297.4 1943 28798.4 31411.3 33211.7 34490.3 34109.3 31264.9 24490.6 18284.0 16631.4 17853.5 20377.9 23986.2 1944 27569.0 30203.4 32315.4 33913.4 33909.7 31622.0 25597.8 20020.7 18057.4 18640.2 20938.0 24104.6 1945 27435.8 29970.9 32172.2 33568.7 33525.5 30934.4 24460.5 18793.8 17102.3 18108.7 20604.3 24156.8 1946 27753.7 30738.7 33042.5 34446.8 34470.8 32307.4 26271.3 20714.3 19116.5 20236.7 22750.1 26010.8 1947 29214.7 31991.1 34048.5 35184.0 35136.4 32907.8 26137.1 20375.3 18890.6 19671.7 22005.7 25317.3 1948 28619.1 31353.5 33484.2 34800.0 34956.4 32512.4 25777.4 19589.9 17853.7 19026.2 21239.5 24686.4 1949 28249.9 30975.0 33168.5 34592.4 34551.7 32613.6 26783.3 21412.6 19731.5 20797.8 23071.2 26300.0 1950 29526.1 32056.4 34061.7 35337.5 35482.0 33054.7 26320.0 20562.8 18908.3 20130.4 22450.5 25544.5 1951 28907.1 31476.9 33580.8 34896.1 34885.8 32547.0 25911.1 20464.2 18854.1 19772.9 22126.7 25399.3 1952 28694.9 31422.4 33338.1 34638.3 34594.8 31906.2 25518.3 19749.8 17938.8 19241.7 21782.8 25176.1 1953 28682.6 31491.8 33862.5 35183.3 34897.6 31871.9 24740.2 18892.5 17238.1 18643.7 20901.9 24142.5 1954 27819.6 30723.7 33097.2 34404.7 34095.9 31379.3 24753.6 18587.4 16526.7 17551.2 20061.2 23288.8 1955 26892.3 29674.4 32027.9 33694.4 33642.9 30673.5 23528.4 17594.6 15930.5 17235.3 20005.3 23642.0 1956 27087.4 30014.0 32382.5 33921.4 33850.8 31738.9 25315.5 19374.4 17369.9 18880.4 21682.0 25183.0 1957 28787.5 31630.4 33861.4 35332.1 35097.3 32403.4 25640.7 19282.0 17086.9 18362.7 21353.6 25046.0 1958 28620.6 31355.1 33290.5 34471.4 34368.4 32082.5 25360.6 18853.5 16437.7 17824.1 20709.3 24326.8 1959 28022.5 30907.3 33279.9 34646.0 34246.4 31488.2 24316.8 17788.9 15571.5 16912.0 19590.3 23250.0 1960 26943.1 29752.4 31921.4 33354.6 33131.4 30325.4 23156.5 16943.2 14822.1 16322.2 19359.5 23062.1 1961 26712.4 29721.0 32151.5 33846.3 33828.1 31446.4 25092.6 19329.2 17173.5 18336.7 20930.0 24352.3 1962 27555.6 30248.8 32515.1 33910.7 33827.5 31609.8 25543.5 19650.4 18031.4 19241.3 21905.7 25453.1 1963 28912.9 31828.8 34015.2 35451.0 35243.6 33180.5 27421.6 21478.1 19373.6 20715.2 23247.2 26719.6 1964 29944.9 32929.5 35260.5 36637.3 36242.9 33843.7 27580.1 21405.3 19486.3 20864.6 23459.9 26932.4 1965 30317.0 33082.7 35258.7 36296.8 36010.7 33616.3 27477.1 21548.4 20028.6 21456.0 24206.3 27362.5 1966 30757.1 33683.2 35866.9 37080.3 36776.5 34091.3 27378.0 21702.0 19456.9 20452.8 23256.7 26557.0 1967 29818.7 32561.6 34553.8 35706.1 35535.6 33187.2 26856.0 21059.5 19145.4 20647.8 23259.8 26614.6 1968 29872.1 32629.0 34778.4 35882.8 35993.7 33100.2 25771.6 19162.6 16928.3 18232.6 21567.1 25722.9 1969 29093.4 32007.5 34358.8 35859.4 35735.3 33413.6 26807.7 20576.8 18045.9 18867.7 21524.3 24740.2 1970 28100.7 30969.8 33052.6 34306.2 34039.4 31093.6 24314.9 18318.7 16218.0 17478.8 20246.1 23693.7 1971 27320.4 30233.3 32416.4 33823.3 33490.2 29917.7 22157.5 15530.7 13110.4 14436.6 17503.2 21310.3 1972 25205.5 28354.9 30697.9 31926.1 31882.5 29257.5 22963.3 16855.8 14675.7 16288.8 19350.7 22868.4 1973 26357.6 29324.9 31533.1 32806.7 32740.4 30018.8 23390.3 17076.2 15048.3 16745.5 19532.4 23095.1 1974 26272.1 29181.2 31383.9 32640.9 32738.5 30945.3 25177.1 18901.8 17089.9 18651.0 21425.8 25015.7 1975 28614.5 31340.7 33449.1 34765.4 34574.2 32159.0 25672.7 19749.8 18189.2 19724.2 22412.4 25860.4 1976 29136.5 31847.8 34097.9 35455.0 35479.4 33609.6 27752.3 21609.4 19169.7 20576.6 23276.5 26789.5 1977 30187.1 33092.9 35371.9 36790.0 36609.0 33801.2 26814.0 19992.8 17548.7 18804.3 21444.2 24733.6 1978 28179.8 30877.3 32845.1 34164.2 34290.2 32574.8 27039.5 21070.0 18430.7 19920.8 22736.4 26111.0 1979 29344.3 32064.1 34179.7 35508.6 35468.0 33514.8 28021.6 22059.8 19748.9 20775.1 23255.7 26719.6 1980 30209.7 32928.8 35045.8 36315.1 36255.9 34278.8 28087.0 22227.1 20363.2 21330.7 23889.8 27235.2 1981 30466.9 33176.0 35384.4 36521.1 36302.0 33961.1 27710.2 21233.8 18496.3 19671.7 22134.9 25482.0 1982 29072.4 31963.8 34150.4 35594.6 35222.2 33039.2 26890.2 20548.1 18229.0 19719.2 22631.9 26248.0 1983 29534.3 32322.3 34649.9 36013.1 36060.3 34250.6 28855.5 22896.6 20413.9 21500.3 24000.7 27134.0 1984 29978.1 32672.9 34826.8 36215.2 36087.0 33889.8 28072.3 22079.9 19804.3 20605.6 23101.2 26332.0 1985 29861.3 32659.2 34912.2 36420.8 36398.1 33797.1 26855.6 20897.6 18803.3 19900.0 22467.8 25609.1 1986 28992.9 31827.3 34095.9 35418.7 34719.0 32811.7 26990.4 21263.9 19260.7 20704.4 23265.7 26259.0 1987 29795.4 32562.8 34618.6 36053.7 35988.3 34043.3 28255.9 21773.4 19594.4 20668.9 23266.3 26355.7 1988 29819.0 32418.2 34446.1 35707.1 35329.1 32931.3 26578.5 20156.5 17961.3 19398.9 22290.1 25860.4 1989 29288.0 31986.7 33859.8 34852.5 34381.1 32558.3 26771.3 20472.3 18077.4 19240.8 22022.9 25555.9 1990 28833.8 31527.2 33553.9 34495.9 33917.4 30633.7 23524.5 17282.6 15156.8 16659.1 19754.2 23427.9 1991 26775.0 29751.9 31894.4 33397.5 33161.3 30626.3 23855.9 17181.9 14869.5 16531.9 19236.7 22856.0 1992 26428.6 29254.4 31345.6 32755.2 32532.4 30217.6 24107.3 17324.1 15260.0 17061.3 19998.4 23467.5 1993 26774.0 29508.3 31535.8 32940.7 32757.4 29900.4 22926.4 16347.6 14132.4 15742.2 18808.6 22489.0 1994 26272.4 29155.8 31461.6 32626.3 32561.2 30157.6 23683.5 17250.2 15435.0 16924.2 19725.9 23192.8 1995 26377.7 28727.1 30464.3 31430.4 31015.8 28273.9 21354.9 15122.9 13117.3 14310.5 17130.1 20590.4 1996 24098.0 27248.9 29543.8 31030.6 31021.5 28799.3 22890.8 17258.3 15886.5 17342.1 19352.3 22503.4 1997 26019.4 28992.7 31159.2 32502.7 32322.2 29815.9 22671.6 16272.2 14541.1 15853.1 18570.8 22309.9 1998 25983.8 29002.8 31072.2 32504.7 32456.9 29180.7 21944.6 15965.6 13553.1 15080.5 17798.3 21441.8 1999 25088.5 28126.7 30218.9 31787.3 31847.4 29092.7 21617.5 15688.0 13244.7 14822.1 17884.3 21205.3 2000 24881.7 27747.0 29812.6 31088.5 30942.0 28438.9 21695.3 15297.5 13111.7 14645.0 17320.0 20868.7 2001 24653.6 27695.8 30203.0 31705.1 31668.8 28943.8 21762.1 15908.8 14065.9 15444.3 18389.3 21504.9 2002 24927.1 27921.3 30198.3 31475.2 31492.4 28697.8 21484.6 14623.6 12498.2 13841.4 16548.8 20075.9 2003 23855.2 26748.1 29171.3 30550.6 30386.4 27910.8 20711.1 14072.2 11642.3 12882.7 15557.3 19144.8 2004 22703.8 25748.4 28327.1 29750.2 29534.2 27427.3 21384.0 15109.0 12419.3 13720.9 16556.3 20314.4 2005 23680.0 26388.4 28664.7 30061.6 29866.6 26510.8 18876.4 12807.3 10667.5 11857.2 14694.0 18163.4 2006 21597.7 24527.5 26895.0 28196.6 27665.3 24219.1 16924.4 11337.6 9832.4 10903.3 13489.7 16774.4 2007 20252.6 23239.8 25652.3 26976.7 26803.6 24002.4 16230.8 9929.9 7646.4 8531.9 11728.3 15542.1 2008 19532.1 22704.4 25260.2 26928.1 26827.6 23907.8 16513.3 9932.2 7529.5 9056.6 12183.1 15920.9 2009 19649.7 22868.4 25392.3 26928.7 26809.1 23912.4 16676.1 10256.1 8292.0 9296.2 12355.5 16011.1 2010 19759.2 22982.1 25657.5 27079.9 26590.4 23193.6 15696.9 9546.3 7402.9 8930.4 11857.8 15343.0