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
1921,9.82e-05
1922,0.000365
1923,0.000757
1924,0.00123
1925,0.00175
1926,0.00227
1927,0.00275
1928,0.00314
1929,0.0034100000000000003
1930,0.0035099999999999997
1931,0.0034300000000000003
1932,0.00321
1933,0.00289
1934,0.0025099999999999996
1935,0.00209
1936,0.0016699999999999998
1937,0.0012900000000000001
1938,0.000968
1939,0.000752
1940,0.0006730000000000001
1941,0.000748
1942,0.000958
1943,0.00128
1944,0.0016899999999999999
1945,0.00217
1946,0.0027
1947,0.0032400000000000003
1948,0.00379
1949,0.00431
1950,0.00479
1951,0.00524
1952,0.00571
1953,0.0062
1954,0.0067
1955,0.00722
1956,0.00775
1957,0.0083
1958,0.00887
1959,0.00945
1960,0.0101
1961,0.0107
1962,0.011300000000000001
1963,0.0119
1964,0.0127
1965,0.0134
1966,0.014199999999999999
1967,0.0152
1968,0.0162
1969,0.0173
1970,0.0185
1971,0.020399999999999998
1972,0.0232
1973,0.0268
1974,0.031100000000000003
1975,0.0358
1976,0.040799999999999996
1977,0.045899999999999996
1978,0.0509
1979,0.0557
1980,0.06
1981,0.0644
1982,0.0691
1983,0.074
1984,0.07890000000000001
1985,0.0838
1986,0.0884
1987,0.09259999999999999
1988,0.0963
1989,0.0992
1990,0.101
1991,0.104
1992,0.108
1993,0.115
1994,0.122
1995,0.13
1996,0.139
1997,0.148
1998,0.157
1999,0.165
2000,0.24
2001,0.193
2002,0.209
2003,0.256
2004,0.349
2005,0.24
2006,0.289
2007,0.302
2008,0.316
2009,0.33
2010,0.344
2011,0.357
2012,0.371
2013,0.385
2014,0.399
2015,0.413
2016,0.426
2017,0.44
2018,0.454