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
1921,0.0134
1922,0.0497
1923,0.103
1924,0.168
1925,0.239
1926,0.31
1927,0.375
1928,0.428
1929,0.465
1930,0.478
1931,0.467
1932,0.438
1933,0.395
1934,0.342
1935,0.285
1936,0.228
1937,0.175
1938,0.132
1939,0.103
1940,0.09179999999999999
1941,0.09359999999999999
1942,0.0989
1943,0.107
1944,0.118
1945,0.131
1946,0.145
1947,0.161
1948,0.178
1949,0.194
1950,0.211
1951,0.229
1952,0.249
1953,0.271
1954,0.295
1955,0.322
1956,0.35
1957,0.381
1958,0.414
1959,0.449
1960,0.486
1961,0.528
1962,0.578
1963,0.634
1964,0.697
1965,0.767
1966,0.842
1967,0.923
1968,1.01
1969,1.1
1970,1.28
1971,1.36
1972,1.41
1973,1.63
1974,1.81
1975,1.61
1976,1.92
1977,2.11
1978,2.29
1979,2.38
1980,2.51
1981,2.56
1982,2.39
1983,2.74
1984,2.86
1985,2.83
1986,2.99
1987,3.09
1988,3.56
1989,3.76
1990,5.61
1991,4.37
1992,5.62
1993,6.31
1994,8.16
1995,7.57
1996,9.59
1997,10.2
1998,11.6
1999,6.01
2000,4.77
2001,2.07
2002,1.81
2003,1.82
2004,1.91
2005,1.73
2006,1.99
2007,2.13
2008,2.24
2009,2.35
2010,2.66
2011,2.44
2012,2.4
2013,2.04
2014,1.62
2015,1.8
2016,1.62
2017,1.56
2018,1.64