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
1921,0.00126
1922,0.00468
1923,0.009720000000000001
1924,0.0158
1925,0.0225
1926,0.0292
1927,0.0353
1928,0.040299999999999996
1929,0.0437
1930,0.045
1931,0.044
1932,0.0412
1933,0.037200000000000004
1934,0.0322
1935,0.0268
1936,0.0214
1937,0.0165
1938,0.0124
1939,0.00966
1940,0.00864
1941,0.00881
1942,0.00931
1943,0.0101
1944,0.0111
1945,0.0123
1946,0.013699999999999999
1947,0.0152
1948,0.0167
1949,0.0183
1950,0.019899999999999998
1951,0.0216
1952,0.023399999999999997
1953,0.0255
1954,0.027800000000000002
1955,0.0303
1956,0.033
1957,0.0359
1958,0.039
1959,0.0423
1960,0.0458
1961,0.0498
1962,0.0544
1963,0.0598
1964,0.0658
1965,0.0724
1966,0.0795
1967,0.0872
1968,0.09540000000000001
1969,0.104
1970,0.129
1971,0.142
1972,0.15
1973,0.18
1974,0.206
1975,0.189
1976,0.232
1977,0.264
1978,0.296
1979,0.32
1980,0.349
1981,0.368
1982,0.355
1983,0.422
1984,0.459
1985,0.468
1986,0.515
1987,0.555
1988,0.669
1989,0.736
1990,0.936
1991,0.819
1992,1.88
1993,2.12
1994,3.8
1995,5.04
1996,5.73
1997,7.19
1998,4.86
1999,8.06
2000,8.49
2001,5.8
2002,8.67
2003,6.44
2004,6.56
2005,6.6
2006,6.13
2007,7.36
2008,6.89
2009,5.87
2010,8.08
2011,7.89
2012,8.74
2013,8.12
2014,8.5
2015,7.96
2016,7.42
2017,8.16
2018,8.26
