year,IPC2
1850,7.41e-06
1851,7.41e-06
1852,7.41e-06
1853,7.41e-06
1854,7.41e-06
1855,7.41e-06
1856,7.41e-06
1857,7.41e-06
1858,7.41e-06
1859,7.41e-06
1860,7.41e-06
1861,7.41e-06
1862,7.41e-06
1863,7.41e-06
1864,7.41e-06
1865,7.41e-06
1866,7.41e-06
1867,7.41e-06
1868,7.41e-06
1869,7.42e-06
1870,7.42e-06
1871,7.42e-06
1872,7.42e-06
1873,7.42e-06
1874,7.42e-06
1875,7.42e-06
1876,7.42e-06
1877,7.42e-06
1878,7.42e-06
1879,7.42e-06
1880,7.42e-06
1881,7.42e-06
1882,7.42e-06
1883,7.42e-06
1884,7.42e-06
1885,7.42e-06
1886,7.42e-06
1887,7.42e-06
1888,7.42e-06
1889,7.42e-06
1890,7.42e-06
1891,8.49e-06
1892,1.1400000000000001e-05
1893,1.59e-05
1894,2.1499999999999997e-05
1895,2.79e-05
1896,3.47e-05
1897,4.1599999999999995e-05
1898,4.81e-05
1899,5.39e-05
1900,5.8700000000000004e-05
1901,6.26e-05
1902,6.610000000000001e-05
1903,6.94e-05
1904,7.26e-05
1905,7.56e-05
1906,7.87e-05
1907,8.19e-05
1908,8.53e-05
1909,8.9e-05
1910,9.3e-05
1911,9.75e-05
1912,0.000102
1913,0.000107
1914,0.00011300000000000001
1915,0.000118
1916,0.000124
1917,0.00013000000000000002
1918,0.00013700000000000002
1919,0.00014299999999999998
1920,0.00015
1921,0.000182
1922,0.000258
1923,0.00037
1924,0.000508
1925,0.000665
1926,0.000832
1927,0.001
1928,0.00116
1929,0.00131
1930,0.0014299999999999998
1931,0.0015300000000000001
1932,0.00163
1933,0.00173
1934,0.00182
1935,0.0019199999999999998
1936,0.0020099999999999996
1937,0.0021000000000000003
1938,0.00219
1939,0.00229
1940,0.0023799999999999997
1941,0.00248
1942,0.00259
1943,0.0027
1944,0.00281
1945,0.0029300000000000003
1946,0.0030499999999999998
1947,0.00318
1948,0.00333
1949,0.00348
1950,0.00364
1951,0.00381
1952,0.004
1953,0.00421
1954,0.00443
1955,0.00466
1956,0.004900000000000001
1957,0.0051600000000000005
1958,0.00542
1959,0.005679999999999999
1960,0.00595
1961,0.00625
1962,0.0065899999999999995
1963,0.00696
1964,0.00734
1965,0.007730000000000001
1966,0.008119999999999999
1967,0.00848
1968,0.00881
1969,0.00919
1970,0.0125
1971,0.033299999999999996
1972,0.019
1973,0.0238
1974,0.0384
1975,0.044
1976,0.0517
1977,0.033299999999999996
1978,0.0337
1979,0.0439
1980,0.0422
1981,0.0451
1982,0.0616
1983,0.0726
1984,0.0792
1985,0.07640000000000001
1986,0.067
1987,0.0644
1988,0.0682
1989,0.066
1990,0.0579
1991,0.0575
1992,0.0572
1993,0.0213
1994,0.00349
1995,0.0121
1996,0.023100000000000002
1997,0.0352
1998,0.026600000000000002
1999,0.0258
2000,0.0233
2001,0.0174
2002,0.00936
2003,0.009380000000000001
2004,0.009630000000000001
2005,0.009800000000000001
2006,0.010199999999999999
2007,0.011300000000000001
2008,0.0101
2009,0.0101
2010,0.0129
2011,0.0126
2012,0.00495
2013,0.0030800000000000003
2014,0.0042699999999999995
2015,0.0045899999999999995
2016,0.0048
2017,0.00424
2018,0.00368