year,IPC2
1850,1.83e-06
1851,1.83e-06
1852,1.83e-06
1853,1.83e-06
1854,1.83e-06
1855,1.83e-06
1856,1.83e-06
1857,1.83e-06
1858,1.83e-06
1859,1.83e-06
1860,1.83e-06
1861,1.83e-06
1862,1.83e-06
1863,1.83e-06
1864,1.83e-06
1865,1.83e-06
1866,1.83e-06
1867,1.83e-06
1868,1.83e-06
1869,1.83e-06
1870,1.83e-06
1871,1.83e-06
1872,1.83e-06
1873,1.83e-06
1874,1.83e-06
1875,1.83e-06
1876,1.83e-06
1877,1.83e-06
1878,1.83e-06
1879,1.83e-06
1880,1.83e-06
1881,1.83e-06
1882,1.83e-06
1883,1.83e-06
1884,1.83e-06
1885,1.83e-06
1886,1.83e-06
1887,1.83e-06
1888,1.83e-06
1889,1.83e-06
1890,1.83e-06
1891,2.14e-06
1892,2.99e-06
1893,4.270000000000001e-06
1894,5.89e-06
1895,7.73e-06
1896,9.69e-06
1897,1.17e-05
1898,1.35e-05
1899,1.52e-05
1900,1.66e-05
1901,1.77e-05
1902,1.87e-05
1903,1.9699999999999998e-05
1904,2.06e-05
1905,2.1499999999999997e-05
1906,2.24e-05
1907,2.33e-05
1908,2.42e-05
1909,2.53e-05
1910,2.65e-05
1911,2.7799999999999998e-05
1912,2.91e-05
1913,3.06e-05
1914,3.2099999999999994e-05
1915,3.37e-05
1916,3.54e-05
1917,3.7199999999999996e-05
1918,3.9e-05
1919,4.1e-05
1920,4.2999999999999995e-05
1921,5.1200000000000004e-05
1922,7.03e-05
1923,9.82e-05
1924,0.000133
1925,0.00017199999999999998
1926,0.000213
1927,0.000255
1928,0.000296
1929,0.000332
1930,0.000363
1931,0.000389
1932,0.000415
1933,0.000439
1934,0.00046300000000000003
1935,0.00048699999999999997
1936,0.00051
1937,0.000533
1938,0.0005570000000000001
1939,0.00058
1940,0.000605
1941,0.000629
1942,0.000655
1943,0.0006810000000000001
1944,0.000709
1945,0.000737
1946,0.000768
1947,0.0008
1948,0.0008349999999999999
1949,0.0008719999999999999
1950,0.000911
1951,0.000954
1952,0.001
1953,0.0010500000000000002
1954,0.00111
1955,0.00117
1956,0.00123
1957,0.0012900000000000001
1958,0.00135
1959,0.0014199999999999998
1960,0.00149
1961,0.00156
1962,0.00165
1963,0.00174
1964,0.00183
1965,0.0019299999999999999
1966,0.0020299999999999997
1967,0.00212
1968,0.0022
1969,0.00215
1970,0.00216
1971,0.0020099999999999996
1972,0.00207
1973,0.00195
1974,0.0019299999999999999
1975,0.00189
1976,0.0019299999999999999
1977,0.00202
1978,0.00199
1979,0.00204
1980,0.0022
1981,0.0022400000000000002
1982,0.00209
1983,0.0019199999999999998
1984,0.00186
1985,0.00122
1986,0.00134
1987,0.00157
1988,0.00139
1989,0.0010400000000000001
1990,0.000966
1991,0.000694
1992,0.000963
1993,0.000925
1994,0.0009649999999999999
1995,0.000764
1996,0.00078
1997,0.000901
1998,0.000851
1999,0.000786
2000,0.000753
2001,0.000666
2002,0.000608
2003,0.0005679999999999999
2004,0.0005570000000000001
2005,0.00047299999999999995
2006,0.000479
2007,0.000444
2008,0.00040300000000000004
2009,0.00027600000000000004
2010,0.000315
2011,0.00025
2012,0.000244
2013,0.000237
2014,7.939999999999999e-05
2015,7.280000000000001e-05
2016,6.62e-05
2017,6.950000000000001e-05
2018,0.0