,Year,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec
0,1913.0,9.8,9.8,9.8,9.8,9.7,9.8,9.9,9.9,10.0,10.0,10.1,10.0
1,1914.0,10.0,9.9,9.9,9.8,9.9,9.9,10.0,10.2,10.2,10.1,10.2,10.1
2,1915.0,10.1,10.0,9.9,10.0,10.1,10.1,10.1,10.1,10.1,10.2,10.3,10.3
3,1916.0,10.4,10.4,10.5,10.6,10.7,10.8,10.8,10.9,11.1,11.3,11.5,11.6
4,1917.0,11.7,12.0,12.0,12.6,12.8,13.0,12.8,13.0,13.3,13.5,13.5,13.7
5,1918.0,14.0,14.1,14.0,14.2,14.5,14.7,15.1,15.4,15.7,16.0,16.3,16.5
6,1919.0,16.5,16.2,16.4,16.7,16.9,16.9,17.4,17.7,17.8,18.1,18.5,18.9
7,1920.0,19.3,19.5,19.7,20.3,20.6,20.9,20.8,20.3,20.0,19.9,19.8,19.4
8,1921.0,19.0,18.4,18.3,18.1,17.7,17.6,17.7,17.7,17.5,17.5,17.4,17.3
9,1922.0,16.9,16.9,16.7,16.7,16.7,16.7,16.8,16.6,16.6,16.7,16.8,16.9
10,1923.0,16.8,16.8,16.8,16.9,16.9,17.0,17.2,17.1,17.2,17.3,17.3,17.3
11,1924.0,17.3,17.2,17.1,17.0,17.0,17.0,17.1,17.0,17.1,17.2,17.2,17.3
12,1925.0,17.3,17.2,17.3,17.2,17.3,17.5,17.7,17.7,17.7,17.7,18.0,17.9
13,1926.0,17.9,17.9,17.8,17.9,17.8,17.7,17.5,17.4,17.5,17.6,17.7,17.7
14,1927.0,17.5,17.4,17.3,17.3,17.4,17.6,17.3,17.2,17.3,17.4,17.3,17.3
15,1928.0,17.3,17.1,17.1,17.1,17.2,17.1,17.1,17.1,17.3,17.2,17.2,17.1
16,1929.0,17.1,17.1,17.0,16.9,17.0,17.1,17.3,17.3,17.3,17.3,17.3,17.2
17,1930.0,17.1,17.0,16.9,17.0,16.9,16.8,16.6,16.5,16.6,16.5,16.4,16.1
18,1931.0,15.9,15.7,15.6,15.5,15.3,15.1,15.1,15.1,15.0,14.9,14.7,14.6
19,1932.0,14.3,14.1,14.0,13.9,13.7,13.6,13.6,13.5,13.4,13.3,13.2,13.1
20,1933.0,12.9,12.7,12.6,12.6,12.6,12.7,13.1,13.2,13.2,13.2,13.2,13.2
21,1934.0,13.2,13.3,13.3,13.3,13.3,13.4,13.4,13.4,13.6,13.5,13.5,13.4
22,1935.0,13.6,13.7,13.7,13.8,13.8,13.7,13.7,13.7,13.7,13.7,13.8,13.8
23,1936.0,13.8,13.8,13.7,13.7,13.7,13.8,13.9,14.0,14.0,14.0,14.0,14.0
24,1937.0,14.1,14.1,14.2,14.3,14.4,14.4,14.5,14.5,14.6,14.6,14.5,14.4
25,1938.0,14.2,14.1,14.1,14.2,14.1,14.1,14.1,14.1,14.1,14.0,14.0,14.0
26,1939.0,14.0,13.9,13.9,13.8,13.8,13.8,13.8,13.8,14.1,14.0,14.0,14.0
27,1940.0,13.9,14.0,14.0,14.0,14.0,14.1,14.0,14.0,14.0,14.0,14.0,14.1
28,1941.0,14.1,14.1,14.2,14.3,14.4,14.7,14.7,14.9,15.1,15.3,15.4,15.5
29,1942.0,15.7,15.8,16.0,16.1,16.3,16.3,16.4,16.5,16.5,16.7,16.8,16.9
30,1943.0,16.9,16.9,17.2,17.4,17.5,17.5,17.4,17.3,17.4,17.4,17.4,17.4
31,1944.0,17.4,17.4,17.4,17.5,17.5,17.6,17.7,17.7,17.7,17.7,17.7,17.8
32,1945.0,17.8,17.8,17.8,17.8,17.9,18.1,18.1,18.1,18.1,18.1,18.1,18.2
33,1946.0,18.2,18.1,18.3,18.4,18.5,18.7,19.8,20.2,20.4,20.8,21.3,21.5
34,1947.0,21.5,21.5,21.9,21.9,21.9,22.0,22.2,22.5,23.0,23.0,23.1,23.4
35,1948.0,23.7,23.5,23.4,23.8,23.9,24.1,24.4,24.5,24.5,24.4,24.2,24.1
36,1949.0,24.0,23.8,23.8,23.9,23.8,23.9,23.7,23.8,23.9,23.7,23.8,23.6
37,1950.0,23.5,23.5,23.6,23.6,23.7,23.8,24.1,24.3,24.4,24.6,24.7,25.0
38,1951.0,25.4,25.7,25.8,25.8,25.9,25.9,25.9,25.9,26.1,26.2,26.4,26.5
39,1952.0,26.5,26.3,26.3,26.4,26.4,26.5,26.7,26.7,26.7,26.7,26.7,26.7
40,1953.0,26.6,26.5,26.6,26.6,26.7,26.8,26.8,26.9,26.9,27.0,26.9,26.9
41,1954.0,26.9,26.9,26.9,26.8,26.9,26.9,26.9,26.9,26.8,26.8,26.8,26.7
42,1955.0,26.7,26.7,26.7,26.7,26.7,26.7,26.8,26.8,26.9,26.9,26.9,26.8
43,1956.0,26.8,26.8,26.8,26.9,27.0,27.2,27.4,27.3,27.4,27.5,27.5,27.6
44,1957.0,27.6,27.7,27.8,27.9,28.0,28.1,28.3,28.3,28.3,28.3,28.4,28.4
45,1958.0,28.6,28.6,28.8,28.9,28.9,28.9,29.0,28.9,28.9,28.9,29.0,28.9
46,1959.0,29.0,28.9,28.9,29.0,29.0,29.1,29.2,29.2,29.3,29.4,29.4,29.4
47,1960.0,29.3,29.4,29.4,29.5,29.5,29.6,29.6,29.6,29.6,29.8,29.8,29.8
48,1961.0,29.8,29.8,29.8,29.8,29.8,29.8,30.0,29.9,30.0,30.0,30.0,30.0
49,1962.0,30.0,30.1,30.1,30.2,30.2,30.2,30.3,30.3,30.4,30.4,30.4,30.4
50,1963.0,30.4,30.4,30.5,30.5,30.5,30.6,30.7,30.7,30.7,30.8,30.8,30.9
51,1964.0,30.9,30.9,30.9,30.9,30.9,31.0,31.1,31.0,31.1,31.1,31.2,31.2
52,1965.0,31.2,31.2,31.3,31.4,31.4,31.6,31.6,31.6,31.6,31.7,31.7,31.8
53,1966.0,31.8,32.0,32.1,32.3,32.3,32.4,32.5,32.7,32.7,32.9,32.9,32.9
54,1967.0,32.9,32.9,33.0,33.1,33.2,33.3,33.4,33.5,33.6,33.7,33.8,33.9
55,1968.0,34.1,34.2,34.3,34.4,34.5,34.7,34.9,35.0,35.1,35.3,35.4,35.5
56,1969.0,35.6,35.8,36.1,36.3,36.4,36.6,36.8,37.0,37.1,37.3,37.5,37.7
57,1970.0,37.8,38.0,38.2,38.5,38.6,38.8,39.0,39.0,39.2,39.4,39.6,39.8
58,1971.0,39.8,39.9,40.0,40.1,40.3,40.6,40.7,40.8,40.8,40.9,40.9,41.1
59,1972.0,41.1,41.3,41.4,41.5,41.6,41.7,41.9,42.0,42.1,42.3,42.4,42.5
60,1973.0,42.6,42.9,43.3,43.6,43.9,44.2,44.3,45.1,45.2,45.6,45.9,46.2
61,1974.0,46.6,47.2,47.8,48.0,48.6,49.0,49.4,50.0,50.6,51.1,51.5,51.9
62,1975.0,52.1,52.5,52.7,52.9,53.2,53.6,54.2,54.3,54.6,54.9,55.3,55.5
63,1976.0,55.6,55.8,55.9,56.1,56.5,56.8,57.1,57.4,57.6,57.9,58.0,58.2
64,1977.0,58.5,59.1,59.5,60.0,60.3,60.7,61.0,61.2,61.4,61.6,61.9,62.1
65,1978.0,62.5,62.9,63.4,63.9,64.5,65.2,65.7,66.0,66.5,67.1,67.4,67.7
66,1979.0,68.3,69.1,69.8,70.6,71.5,72.3,73.1,73.8,74.6,75.2,75.9,76.7
67,1980.0,77.8,78.9,80.1,81.0,81.8,82.7,82.7,83.3,84.0,84.8,85.5,86.3
68,1981.0,87.0,87.9,88.5,89.1,89.8,90.6,91.6,92.3,93.2,93.4,93.7,94.0
69,1982.0,94.3,94.6,94.5,94.9,95.8,97.0,97.5,97.7,97.9,98.2,98.0,97.6
70,1983.0,97.8,97.9,97.9,98.6,99.2,99.5,99.9,100.2,100.7,101.0,101.2,101.3
71,1984.0,101.9,102.4,102.6,103.1,103.4,103.7,104.1,104.5,105.0,105.3,105.3,105.3
72,1985.0,105.5,106.0,106.4,106.9,107.3,107.6,107.8,108.0,108.3,108.7,109.0,109.3
73,1986.0,109.6,109.3,108.8,108.6,108.9,109.5,109.5,109.7,110.2,110.3,110.4,110.5
74,1987.0,111.2,111.6,112.1,112.7,113.1,113.5,113.8,114.4,115.0,115.3,115.4,115.4
75,1988.0,115.7,116.0,116.5,117.1,117.5,118.0,118.5,119.0,119.8,120.2,120.3,120.5
76,1989.0,121.1,121.6,122.3,123.1,123.8,124.1,124.4,124.6,125.0,125.6,125.9,126.1
77,1990.0,127.4,128.0,128.7,128.9,129.2,129.9,130.4,131.6,132.7,133.5,133.8,133.8
78,1991.0,134.6,134.8,135.0,135.2,135.6,136.0,136.2,136.6,137.2,137.4,137.8,137.9
79,1992.0,138.1,138.6,139.3,139.5,139.7,140.2,140.5,140.9,141.3,141.8,142.0,141.9
80,1993.0,142.6,143.1,143.6,144.0,144.2,144.4,144.4,144.8,145.1,145.7,145.8,145.8
81,1994.0,146.2,146.7,147.2,147.4,147.5,148.0,148.4,149.0,149.4,149.5,149.7,149.7
82,1995.0,150.3,150.9,151.4,151.9,152.2,152.5,152.5,152.9,153.2,153.7,153.6,153.5
83,1996.0,154.4,154.9,155.7,156.3,156.6,156.7,157.0,157.3,157.8,158.3,158.6,158.6
84,1997.0,159.1,159.6,160.0,160.2,160.1,160.3,160.5,160.8,161.2,161.6,161.5,161.3
85,1998.0,161.6,161.9,162.2,162.5,162.8,163.0,163.2,163.4,163.6,164.0,164.0,163.9
86,1999.0,164.3,164.5,165.0,166.2,166.2,166.2,166.7,167.1,167.9,168.2,168.3,168.3
87,2000.0,168.8,169.8,171.2,171.3,171.5,172.4,172.8,172.8,173.7,174.0,174.1,174.0
88,2001.0,175.1,175.8,176.2,176.9,177.7,178.0,177.5,177.5,178.3,177.7,177.4,176.7
89,2002.0,177.1,177.8,178.8,179.8,179.8,179.9,180.1,180.7,181.0,181.3,181.3,180.9
90,2003.0,181.7,183.1,184.2,183.8,183.5,183.7,183.9,184.6,185.2,185.0,184.5,184.3
91,2004.0,185.2,186.2,187.4,188.0,189.1,189.7,189.4,189.5,189.9,190.9,191.0,190.3
92,2005.0,190.7,191.8,193.3,194.6,194.4,194.5,195.4,196.4,198.8,199.2,197.6,196.8
93,2006.0,198.3,198.7,199.8,201.5,202.5,202.9,203.5,203.9,202.9,201.8,201.5,201.8
94,2007.0,202.416,203.499,205.352,206.686,207.949,208.352,208.299,207.917,208.49,208.936,210.177,210.036
95,2008.0,211.08,211.693,213.528,214.823,216.632,218.815,219.964,219.086,218.783,216.573,212.425,210.228
96,2009.0,211.143,212.193,212.709,213.24,213.856,215.693,215.351,215.834,215.969,216.177,216.33,215.949
97,2010.0,216.687,216.741,217.631,218.009,218.178,217.965,218.011,218.312,218.439,218.711,218.803,219.179
98,2011.0,220.223,221.309,223.467,224.906,225.964,225.722,225.922,226.545,226.889,226.421,226.23,225.672
99,2012.0,226.665,227.663,229.392,230.085,229.815,229.478,229.104,230.379,231.407,231.317,230.221,229.601
100,2013.0,230.28,232.166,232.773,232.531,232.945,233.504,233.596,233.877,234.149,233.546,233.069,233.049
101,2014.0,233.916,234.781,236.293,237.072,237.9,238.343,238.25,237.852,238.031,237.433,236.151,234.812
102,2015.0,233.707,234.722,236.119,236.599,237.805,238.638,238.654,238.316,237.945,237.838,237.336,236.525
103,2016.0,236.916,237.111,238.132,239.261,240.229,241.018,240.628,240.849,241.428,241.729,241.353,241.432
104,2017.0,242.839,243.603,243.801,244.524,244.733,244.955,244.786,245.519,246.819,246.663,246.669,246.524
105,2018.0,247.867,248.991,249.554,250.546,251.588,251.989,252.006,252.146,252.439,252.885,252.038,251.233
106,2019.0,251.712,252.776,254.202,255.548,256.092,256.143,256.571,256.558,256.759,257.346,257.208,256.974
107,2020.0,257.971,258.678,258.115,256.389,256.394,257.797,259.101,259.918,260.28,260.388,260.229,260.474
108,2021.0,261.582,263.014,264.877,267.054,269.195,271.696,273.003,273.567,274.31,276.589,277.948,278.802
109,2022.0,281.148,283.716,287.504,289.109,,,,,,,,