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
1921,0.00217
1922,0.00805
1923,0.0167
1924,0.0272
1925,0.038700000000000005
1926,0.0501
1927,0.060700000000000004
1928,0.0693
1929,0.0752
1930,0.07740000000000001
1931,0.0756
1932,0.0709
1933,0.0639
1934,0.0554
1935,0.0461
1936,0.036899999999999995
1937,0.028399999999999998
1938,0.0214
1939,0.0166
1940,0.0149
1941,0.015099999999999999
1942,0.016
1943,0.0173
1944,0.019100000000000002
1945,0.0212
1946,0.0235
1947,0.0261
1948,0.0287
1949,0.0315
1950,0.0342
1951,0.0371
1952,0.040299999999999996
1953,0.0439
1954,0.047799999999999995
1955,0.0521
1956,0.0567
1957,0.061700000000000005
1958,0.067
1959,0.0727
1960,0.0787
1961,0.0855
1962,0.09359999999999999
1963,0.103
1964,0.113
1965,0.124
1966,0.137
1967,0.15
1968,0.164
1969,0.179
1970,0.207
1971,0.221
1972,0.229
1973,0.265
1974,0.294
1975,0.261
1976,0.311
1977,0.343
1978,0.372
1979,0.387
1980,0.407
1981,0.416
1982,0.388
1983,0.445
1984,0.464
1985,0.46
1986,0.487
1987,0.503
1988,0.581
1989,0.617
1990,0.617
1991,0.615
1992,0.614
1993,0.906
1994,0.681
1995,0.884
1996,0.811
1997,1.1
1998,1.52
1999,2.04
2000,2.55
2001,3.07
2002,3.6
2003,4.14
2004,4.67
2005,5.19
2006,5.85
2007,6.4
2008,6.94
2009,7.59
2010,8.02
2011,8.47
2012,8.38
2013,9.11
2014,9.99
2015,10.9
2016,11.1
2017,10.8
2018,11.1