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
1921,0.0141
1922,0.0523
1923,0.109
1924,0.177
1925,0.252
1926,0.326
1927,0.394
1928,0.451
1929,0.489
1930,0.503
1931,0.492
1932,0.461
1933,0.415
1934,0.36
1935,0.3
1936,0.24
1937,0.184
1938,0.139
1939,0.108
1940,0.09659999999999999
1941,0.0985
1942,0.104
1943,0.113
1944,0.124
1945,0.138
1946,0.153
1947,0.169
1948,0.187
1949,0.205
1950,0.222
1951,0.241
1952,0.262
1953,0.285
1954,0.311
1955,0.338
1956,0.369
1957,0.401
1958,0.436
1959,0.472
1960,0.512
1961,0.556
1962,0.608
1963,0.667
1964,0.734
1965,0.807
1966,0.886
1967,0.971
1968,1.06
1969,1.16
1970,1.42
1971,1.56
1972,1.66
1973,1.98
1974,2.25
1975,2.06
1976,2.53
1977,2.88
1978,3.22
1979,3.46
1980,3.77
1981,3.98
1982,3.83
1983,4.54
1984,4.89
1985,5.02
1986,5.51
1987,5.9
1988,7.07
1989,7.79
1990,7.48
1991,6.02
1992,6.23
1993,11.5
1994,18.5
1995,12.2
1996,14.2
1997,22.4
1998,19.4
1999,54.6
2000,44.6
2001,56.3
2002,74.6
2003,89.8
2004,123.0
2005,144.0
2006,166.0
2007,159.0
2008,166.0
2009,173.0
2010,180.0
2011,196.0
2012,210.0
2013,246.0
2014,282.0
2015,273.0
2016,288.0
2017,302.0
2018,317.0