year,value
1893,2.1002998
1894,3.17
1895,1.2601001
1896,1.8103
1897,1.8804997
1898,2.0706
1899,0.40039998
1900,3.1804993
1901,1.6604002
1902,2.2705002
1903,2.9512
1904,0.93
1905,2.1002002
1906,2.7001996
1907,2.0403
1908,2.9310997
1909,3.8305998
1910,6.940601
1911,3.0413992
1912,4.8712
1913,2.5309994
1914,2.8404999
1915,5.4000993
1916,2.8402998
1917,1.9204999
1918,1.9710002
1919,3.5901995
1920,3.5704994
1921,2.4004996
1922,1.9199998
1923,1.241
1924,2.2806997
1925,2.0313
1926,2.3916
1927,2.5201998
1928,2.8907993
1929,4.9212995
1930,2.25
1931,1.1499999
1932,6.1215024
1933,3.8121977
1934,2.8511994
1935,4.642199
1936,3.6013992
1937,4.9214005
1938,2.1326
1939,4.1018
1940,3.3823993
1941,3.4818993
1942,4.7313004
1943,2.0717
1944,4.0308995
1945,3.3722992
1946,4.3607
1947,1.5317
1948,3.2113984
1949,5.0223
1950,3.071199
1951,3.151899
1952,2.6814995
1953,3.0717998
1954,2.2312999
1955,2.1620998
1956,1.0722002
1957,1.3713999
1958,1.6118
1959,2.2414
1960,3.7917995
1961,3.261199
1962,3.361899
1963,1.4425998
1964,1.3315
1965,3.0115998
1966,3.2215998
1967,1.7521001
1968,1.0314001
1969,3.5916
1970,0.9421002
1971,5.961299
1972,2.571499
1973,5.701102
1974,3.3418994
1975,3.1416981
1976,3.5414999
1977,0.6415
1978,1.5522001
1979,2.0318
1980,1.7016001
1981,0.8824999
1982,3.0513992
1983,6.8912015
1984,1.6714001
1985,2.9812996
1986,2.3517995
1987,1.5214001
1988,2.0111
1989,2.1909993
1990,1.2819002
1991,2.811599
1992,4.4111996
1993,3.4910996
1994,1.8619001
1995,1.3914999
1996,2.842
1997,3.1824987
1998,3.9024994
1999,2.1023002
2000,2.7313993
2001,4.7822
2002,1.9714999
2003,1.2013
2004,3.9710996
2005,3.1621988
2006,2.0616999
2007,6.081499
2008,4.8118
2009,3.1018994
2010,5.4439
2011,2.8990004
2012,4.031
2013,3.4799988
2014,2.7119994
2015,3.2029996
2016,8.181802
2017,4.8313
2018,3.261798
2019,5.8605013
2020,3.3899994
2021,2.8699996
2022,2.09
2023,6.8900003
2024,3.2705994