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
1921,0.000977
1922,0.00363
1923,0.00754
1924,0.0123
1925,0.0175
1926,0.022600000000000002
1927,0.027399999999999997
1928,0.0313
1929,0.0339
1930,0.0349
1931,0.0341
1932,0.032
1933,0.0288
1934,0.025
1935,0.0208
1936,0.0166
1937,0.0128
1938,0.009630000000000001
1939,0.00749
1940,0.0067
1941,0.00683
1942,0.00722
1943,0.00782
1944,0.0086
1945,0.00954
1946,0.0106
1947,0.011800000000000001
1948,0.013
1949,0.014199999999999999
1950,0.0154
1951,0.0167
1952,0.0182
1953,0.0198
1954,0.0216
1955,0.0235
1956,0.0256
1957,0.027800000000000002
1958,0.030199999999999998
1959,0.032799999999999996
1960,0.0355
1961,0.0386
1962,0.0422
1963,0.046299999999999994
1964,0.0509
1965,0.056
1966,0.0615
1967,0.0674
1968,0.0737
1969,0.0804
1970,0.0988
1971,0.108
1972,0.115
1973,0.137
1974,0.156
1975,0.143
1976,0.176
1977,0.199
1978,0.223
1979,0.24
1980,0.262
1981,0.276
1982,0.265
1983,0.315
1984,0.339
1985,0.348
1986,0.382
1987,0.409
1988,0.491
1989,0.54
1990,0.761
1991,0.883
1992,0.566
1993,0.87
1994,0.695
1995,0.648
1996,1.63
1997,1.67
1998,1.31
1999,1.81
2000,1.9
2001,1.75
2002,2.48
2003,2.75
2004,3.02
2005,4.42
2006,6.03
2007,7.3
2008,8.09
2009,8.15
2010,8.64
2011,8.78
2012,8.03
2013,8.41
2014,9.44
2015,8.49
2016,10.9
2017,11.4
2018,12.0