year,IPC2
1850,0.0
1851,0.0
1852,0.0
1853,0.0
1854,0.0
1855,0.0
1856,0.0
1857,0.0
1858,0.0
1859,0.0
1860,0.0
1861,0.0
1862,0.0
1863,0.0
1864,0.0
1865,0.0
1866,0.0
1867,0.0
1868,0.0
1869,0.0
1870,0.0
1871,0.0
1872,0.0
1873,0.0
1874,0.0
1875,0.0
1876,0.0
1877,0.0
1878,0.0
1879,0.0
1880,0.0
1881,0.0
1882,0.0
1883,0.0
1884,0.0
1885,0.0
1886,0.0
1887,0.0
1888,0.0
1889,0.0
1890,0.0
1891,0.0
1892,0.0
1893,0.0
1894,0.0
1895,0.0
1896,0.0
1897,0.0
1898,0.0
1899,0.0
1900,0.0
1901,0.0
1902,0.0
1903,0.0
1904,0.0
1905,0.0
1906,0.0
1907,0.0
1908,0.0
1909,0.0
1910,0.0
1911,0.0
1912,0.0
1913,0.0
1914,0.0
1915,0.0
1916,0.0
1917,0.0
1918,0.0
1919,0.0
1920,0.0
1921,0.0189
1922,0.07
1923,0.145
1924,0.237
1925,0.337
1926,0.436
1927,0.528
1928,0.603
1929,0.655
1930,0.673
1931,0.658
1932,0.617
1933,0.556
1934,0.482
1935,0.401
1936,0.321
1937,0.247
1938,0.186
1939,0.145
1940,0.129
1941,0.132
1942,0.139
1943,0.151
1944,0.166
1945,0.184
1946,0.205
1947,0.227
1948,0.25
1949,0.274
1950,0.298
1951,0.323
1952,0.351
1953,0.382
1954,0.416
1955,0.453
1956,0.493
1957,0.537
1958,0.583
1959,0.633
1960,0.685
1961,0.744
1962,0.814
1963,0.894
1964,0.982
1965,1.08
1966,1.19
1967,1.3
1968,1.42
1969,1.55
1970,1.9
1971,2.09
1972,2.22
1973,2.65
1974,3.02
1975,2.76
1976,3.39
1977,3.85
1978,4.31
1979,4.63
1980,5.05
1981,5.33
1982,5.13
1983,6.08
1984,6.58
1985,6.76
1986,7.44
1987,8.04
1988,9.75
1989,10.9
1990,11.0
1991,9.76
1992,11.1
1993,17.0
1994,25.6
1995,25.9
1996,41.0
1997,62.4
1998,61.7
1999,100.0
2000,89.9
2001,92.0
2002,110.0
2003,128.0
2004,175.0
2005,204.0
2006,231.0
2007,232.0
2008,244.0
2009,255.0
2010,270.0
2011,289.0
2012,308.0
2013,349.0
2014,394.0
2015,389.0
2016,411.0
2017,430.0
2018,450.0