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
1921,0.00366
1922,0.0136
1923,0.0282
1924,0.046
1925,0.0653
1926,0.0847
1927,0.102
1928,0.117
1929,0.127
1930,0.131
1931,0.128
1932,0.12
1933,0.108
1934,0.0935
1935,0.07790000000000001
1936,0.062299999999999994
1937,0.0479
1938,0.0361
1939,0.028
1940,0.0251
1941,0.0256
1942,0.027
1943,0.0293
1944,0.0322
1945,0.0357
1946,0.039700000000000006
1947,0.044
1948,0.0485
1949,0.053200000000000004
1950,0.0578
1951,0.0626
1952,0.0681
1953,0.0741
1954,0.08070000000000001
1955,0.0879
1956,0.0958
1957,0.104
1958,0.113
1959,0.123
1960,0.133
1961,0.144
1962,0.158
1963,0.174
1964,0.191
1965,0.21
1966,0.231
1967,0.253
1968,0.277
1969,0.302
1970,0.372
1971,0.408
1972,0.432
1973,0.516
1974,0.588
1975,0.537
1976,0.66
1977,0.75
1978,0.84
1979,0.902
1980,0.984
1981,1.04
1982,0.998
1983,1.18
1984,1.28
1985,1.31
1986,1.44
1987,1.54
1988,1.84
1989,2.03
1990,1.93
1991,2.23
1992,2.54
1993,2.71
1994,2.68
1995,2.43
1996,1.42
1997,1.54
1998,1.59
1999,0.277
2000,0.149
2001,0.348
2002,0.609
2003,0.905
2004,1.34
2005,1.81
2006,2.06
2007,2.39
2008,2.73
2009,3.04
2010,3.34
2011,3.11
2012,3.45
2013,3.81
2014,4.17
2015,4.55
2016,4.82
2017,5.11
2018,5.4