year,IPC2
1850,8.68e-06
1851,8.68e-06
1852,8.68e-06
1853,8.68e-06
1854,8.68e-06
1855,8.68e-06
1856,8.68e-06
1857,8.68e-06
1858,8.68e-06
1859,8.68e-06
1860,8.68e-06
1861,8.68e-06
1862,8.68e-06
1863,8.68e-06
1864,8.69e-06
1865,8.69e-06
1866,8.69e-06
1867,8.69e-06
1868,8.69e-06
1869,8.69e-06
1870,8.69e-06
1871,8.69e-06
1872,8.69e-06
1873,8.69e-06
1874,8.69e-06
1875,8.69e-06
1876,8.69e-06
1877,8.69e-06
1878,8.69e-06
1879,8.69e-06
1880,8.69e-06
1881,8.69e-06
1882,8.69e-06
1883,8.69e-06
1884,8.69e-06
1885,8.69e-06
1886,8.69e-06
1887,8.7e-06
1888,8.7e-06
1889,8.7e-06
1890,8.7e-06
1891,1.02e-05
1892,1.4200000000000001e-05
1893,2.03e-05
1894,2.8e-05
1895,3.6700000000000004e-05
1896,4.6e-05
1897,5.54e-05
1898,6.429999999999999e-05
1899,7.22e-05
1900,7.879999999999999e-05
1901,8.41e-05
1902,8.9e-05
1903,9.35e-05
1904,9.769999999999999e-05
1905,0.000102
1906,0.000106
1907,0.00011
1908,0.000115
1909,0.00011999999999999999
1910,0.000126
1911,0.000132
1912,0.00013800000000000002
1913,0.000145
1914,0.000152
1915,0.00016
1916,0.00016800000000000002
1917,0.000176
1918,0.000185
1919,0.000195
1920,0.000204
1921,0.000243
1922,0.00033400000000000004
1923,0.00046600000000000005
1924,0.00063
1925,0.000816
1926,0.00101
1927,0.00121
1928,0.0014
1929,0.00158
1930,0.00172
1931,0.00185
1932,0.00197
1933,0.0020800000000000003
1934,0.0022
1935,0.00231
1936,0.00242
1937,0.0025299999999999997
1938,0.00264
1939,0.00276
1940,0.00287
1941,0.00299
1942,0.00311
1943,0.00323
1944,0.0033599999999999997
1945,0.0035
1946,0.00365
1947,0.0038
1948,0.00396
1949,0.00414
1950,0.00433
1951,0.00453
1952,0.0047599999999999995
1953,0.005
1954,0.00526
1955,0.00553
1956,0.0058200000000000005
1957,0.0061200000000000004
1958,0.00642
1959,0.00674
1960,0.0070599999999999994
1961,0.00741
1962,0.007809999999999999
1963,0.00825
1964,0.00871
1965,0.00917
1966,0.009630000000000001
1967,0.0101
1968,0.0105
1969,0.0109
1970,0.0148
1971,0.0395
1972,0.0225
1973,0.0282
1974,0.0456
1975,0.0522
1976,0.0613
1977,0.0395
1978,0.0399
1979,0.0521
1980,0.05
1981,0.0536
1982,0.0731
1983,0.0862
1984,0.094
1985,0.0906
1986,0.0795
1987,0.07640000000000001
1988,0.0809
1989,0.07840000000000001
1990,0.0687
1991,0.0683
1992,0.0678
1993,0.0253
1994,0.00415
1995,0.0143
1996,0.027399999999999997
1997,0.0418
1998,0.0316
1999,0.030699999999999998
2000,0.027600000000000003
2001,0.0207
2002,0.0111
2003,0.0111
2004,0.0114
2005,0.0116
2006,0.0121
2007,0.0134
2008,0.0119
2009,0.012
2010,0.0154
2011,0.0149
2012,0.00588
2013,0.00365
2014,0.005059999999999999
2015,0.00545
2016,0.0057
2017,0.005030000000000001
2018,0.00436