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
1921,5.9e-06
1922,2.19e-05
1923,4.55e-05
1924,7.41e-05
1925,0.00010499999999999999
1926,0.000136
1927,0.000165
1928,0.000189
1929,0.000205
1930,0.000211
1931,0.000206
1932,0.000193
1933,0.000174
1934,0.00015099999999999998
1935,0.000126
1936,0.0001
1937,7.72e-05
1938,5.8099999999999996e-05
1939,4.5199999999999994e-05
1940,4.04e-05
1941,4.12e-05
1942,4.36e-05
1943,4.72e-05
1944,5.19e-05
1945,5.76e-05
1946,6.4e-05
1947,7.09e-05
1948,7.82e-05
1949,8.57e-05
1950,9.31e-05
1951,0.000101
1952,0.00011
1953,0.00011899999999999999
1954,0.00013000000000000002
1955,0.00014199999999999998
1956,0.000154
1957,0.00016800000000000002
1958,0.000182
1959,0.00019800000000000002
1960,0.000214
1961,0.00023300000000000003
1962,0.000255
1963,0.00028000000000000003
1964,0.000308
1965,0.000339
1966,0.000372
1967,0.000408
1968,0.000446
1969,0.00048699999999999997
1970,0.0005719999999999999
1971,0.000612
1972,0.000635
1973,0.000743
1974,0.00083
1975,0.000742
1976,0.000892
1977,0.00099
1978,0.00108
1979,0.00113
1980,0.00121
1981,0.00125
1982,0.0011799999999999998
1983,0.0013700000000000001
1984,0.0014399999999999999
1985,0.0014399999999999999
1986,0.00152
1987,0.00157
1988,0.00181
1989,0.00191
1990,0.0024100000000000002
1991,0.0029500000000000004
1992,0.0035099999999999997
1993,0.00505
1994,0.0038
1995,0.00213
1996,0.0025299999999999997
1997,0.0028399999999999996
1998,0.00361
1999,0.00425
2000,0.00507
2001,0.005690000000000001
2002,0.00625
2003,0.0066
2004,0.006900000000000001
2005,0.00708
2006,0.00789
2007,0.00879
2008,0.009810000000000001
2009,0.0107
2010,0.011699999999999999
2011,0.013300000000000001
2012,0.0105
2013,0.015
2014,0.0147
2015,0.0157
2016,0.0174
2017,0.019899999999999998
2018,0.0189