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
1921,9.959999999999999e-07
1922,3.7e-06
1923,7.69e-06
1924,1.25e-05
1925,1.78e-05
1926,2.31e-05
1927,2.79e-05
1928,3.1899999999999996e-05
1929,3.46e-05
1930,3.56e-05
1931,3.48e-05
1932,3.26e-05
1933,2.94e-05
1934,2.55e-05
1935,2.12e-05
1936,1.7e-05
1937,1.3e-05
1938,9.820000000000001e-06
1939,7.64e-06
1940,6.83e-06
1941,6.969999999999999e-06
1942,7.36e-06
1943,7.97e-06
1944,8.77e-06
1945,9.73e-06
1946,1.08e-05
1947,1.2e-05
1948,1.32e-05
1949,1.45e-05
1950,1.57e-05
1951,1.7e-05
1952,1.85e-05
1953,2.02e-05
1954,2.2e-05
1955,2.39e-05
1956,2.61e-05
1957,2.8400000000000003e-05
1958,3.08e-05
1959,3.34e-05
1960,3.6200000000000006e-05
1961,3.93e-05
1962,4.2999999999999995e-05
1963,4.7300000000000005e-05
1964,5.2e-05
1965,5.72e-05
1966,6.29e-05
1967,6.900000000000001e-05
1968,7.539999999999999e-05
1969,7.51e-05
1970,7.53e-05
1971,7.549999999999999e-05
1972,7.549999999999999e-05
1973,7.56e-05
1974,7.57e-05
1975,7.59e-05
1976,7.620000000000001e-05
1977,7.66e-05
1978,7.74e-05
1979,7.87e-05
1980,8.08e-05
1981,8.43e-05
1982,9.02e-05
1983,0.0001
1984,0.000118
1985,0.000148
1986,0.000203
1987,0.000303
1988,0.000491
1989,0.000859
1990,0.000837
1991,0.00184
1992,0.00297
1993,0.0135
1994,0.0348
1995,0.08259999999999999
1996,0.141
1997,0.183
1998,0.239
1999,0.317
2000,0.401
2001,0.51
2002,0.615
2003,0.738
2004,0.889
2005,1.09
2006,1.2
2007,1.34
2008,1.48
2009,2.5
2010,3.62
2011,4.01
2012,4.16
2013,4.34
2014,4.57
2015,4.89
2016,5.12
2017,5.41
2018,5.58
