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
1921,0.027399999999999997
1922,0.102
1923,0.211
1924,0.345
1925,0.489
1926,0.634
1927,0.768
1928,0.877
1929,0.952
1930,0.979
1931,0.957
1932,0.897
1933,0.808
1934,0.701
1935,0.583
1936,0.466
1937,0.359
1938,0.27
1939,0.21
1940,0.188
1941,0.192
1942,0.202
1943,0.219
1944,0.241
1945,0.268
1946,0.297
1947,0.33
1948,0.364
1949,0.398
1950,0.433
1951,0.469
1952,0.51
1953,0.555
1954,0.605
1955,0.659
1956,0.717
1957,0.78
1958,0.848
1959,0.92
1960,0.996
1961,1.08
1962,1.18
1963,1.3
1964,1.43
1965,1.57
1966,1.73
1967,1.9
1968,2.08
1969,2.26
1970,2.78
1971,3.05
1972,3.24
1973,3.87
1974,4.41
1975,4.03
1976,4.95
1977,5.63
1978,6.3
1979,6.77
1980,7.39
1981,7.79
1982,7.5
1983,8.88
1984,9.59
1985,9.84
1986,10.8
1987,11.6
1988,13.9
1989,15.3
1990,14.4
1991,13.6
1992,13.7
1993,20.6
1994,28.2
1995,25.5
1996,40.8
1997,60.5
1998,59.6
1999,103.0
2000,86.9
2001,90.2
2002,112.0
2003,131.0
2004,178.0
2005,212.0
2006,236.0
2007,225.0
2008,234.0
2009,242.0
2010,249.0
2011,269.0
2012,287.0
2013,327.0
2014,369.0
2015,364.0
2016,385.0
2017,401.0
2018,420.0