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
1921,2.16e-06
1922,8.01e-06
1923,1.66e-05
1924,2.7099999999999998e-05
1925,3.85e-05
1926,4.99e-05
1927,6.0400000000000004e-05
1928,6.900000000000001e-05
1929,7.48e-05
1930,7.7e-05
1931,7.52e-05
1932,7.049999999999999e-05
1933,6.36e-05
1934,5.5100000000000004e-05
1935,4.5900000000000004e-05
1936,3.6700000000000004e-05
1937,2.82e-05
1938,2.12e-05
1939,1.65e-05
1940,1.48e-05
1941,1.5100000000000001e-05
1942,1.59e-05
1943,1.72e-05
1944,1.9e-05
1945,2.1000000000000002e-05
1946,2.34e-05
1947,2.59e-05
1948,2.86e-05
1949,3.13e-05
1950,3.4e-05
1951,3.69e-05
1952,4.01e-05
1953,4.36e-05
1954,4.7600000000000005e-05
1955,5.18e-05
1956,5.64e-05
1957,6.14e-05
1958,6.67e-05
1959,7.230000000000001e-05
1960,7.829999999999999e-05
1961,8.51e-05
1962,9.31e-05
1963,0.000102
1964,0.000112
1965,0.000123
1966,0.000136
1967,0.000149
1968,0.000163
1969,0.000177
1970,0.000176
1971,0.00011899999999999999
1972,0.000237
1973,0.000652
1974,0.000948
1975,0.00124
1976,0.00172
1977,0.00184
1978,0.0024300000000000003
1979,0.00332
1980,0.00404
1981,0.0041600000000000005
1982,0.00441
1983,0.00561
1984,0.00819
1985,0.00688
1986,0.00858
1987,0.0107
1988,0.015
1989,0.0167
1990,0.017
1991,0.0189
1992,0.0214
1993,0.0423
1994,0.07659999999999999
1995,0.149
1996,0.249
1997,0.327
1998,0.427
1999,0.595
2000,0.824
2001,0.973
2002,1.13
2003,1.28
2004,1.48
2005,1.65
2006,1.84
2007,2.02
2008,2.19
2009,2.37
2010,2.55
2011,2.48
2012,2.42
2013,2.89
2014,3.05
2015,3.2
2016,3.36
2017,3.52
2018,3.68