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
1921,0.0
1922,0.0
1923,0.0
1924,0.0
1925,0.0
1926,0.0
1927,0.0
1928,0.0
1929,0.0
1930,0.0
1931,0.0
1932,0.0
1933,0.0
1934,0.0
1935,0.0
1936,0.0
1937,0.0
1938,0.0
1939,0.0
1940,0.0
1941,1.74e-07
1942,6.61e-07
1943,1.4e-06
1944,2.35e-06
1945,3.44e-06
1946,4.63e-06
1947,5.85e-06
1948,7.05e-06
1949,8.18e-06
1950,9.18e-06
1951,1.01e-05
1952,1.1e-05
1953,1.1900000000000001e-05
1954,1.29e-05
1955,1.38e-05
1956,1.47e-05
1957,1.56e-05
1958,1.66e-05
1959,1.7500000000000002e-05
1960,1.84e-05
1961,1.93e-05
1962,2e-05
1963,2.07e-05
1964,2.14e-05
1965,2.2100000000000002e-05
1966,2.29e-05
1967,2.3800000000000003e-05
1968,2.49e-05
1969,2.61e-05
1970,2.7300000000000003e-05
1971,4.36e-05
1972,4.26e-05
1973,5.64e-05
1974,5.13e-05
1975,7.000000000000001e-05
1976,0.000175
1977,0.000211
1978,0.000254
1979,0.000356
1980,0.00038500000000000003
1981,0.000359
1982,0.000395
1983,0.000356
1984,0.000451
1985,0.000447
1986,0.00046100000000000004
1987,0.00048499999999999997
1988,0.00047099999999999996
1989,0.000503
1990,0.0005639999999999999
1991,0.000623
1992,0.0006860000000000001
1993,0.0006889999999999999
1994,0.0006590000000000001
1995,0.000721
1996,0.000747
1997,0.0006360000000000001
1998,0.00058
1999,0.000402
2000,0.000308
2001,0.000266
2002,0.000252
2003,0.000237
2004,0.000231
2005,0.00022
2006,0.000228
2007,0.000206
2008,0.000182
2009,0.000106
2010,0.00010499999999999999
2011,9.75e-05
2012,9.68e-05
2013,9.1e-05
2014,8.939999999999999e-05
2015,9.1e-05
2016,9.470000000000001e-05
2017,9.080000000000001e-05
2018,8.96e-05