year,IPC2
1850,2.29e-06
1851,2.29e-06
1852,2.29e-06
1853,2.29e-06
1854,2.29e-06
1855,2.29e-06
1856,2.29e-06
1857,2.29e-06
1858,2.29e-06
1859,2.29e-06
1860,2.29e-06
1861,2.29e-06
1862,2.29e-06
1863,2.29e-06
1864,2.29e-06
1865,2.29e-06
1866,2.29e-06
1867,2.29e-06
1868,2.29e-06
1869,2.29e-06
1870,2.29e-06
1871,2.29e-06
1872,2.29e-06
1873,2.29e-06
1874,2.29e-06
1875,2.29e-06
1876,2.29e-06
1877,2.29e-06
1878,2.29e-06
1879,2.29e-06
1880,2.29e-06
1881,2.29e-06
1882,2.29e-06
1883,2.29e-06
1884,2.29e-06
1885,2.29e-06
1886,2.29e-06
1887,2.29e-06
1888,2.29e-06
1889,2.29e-06
1890,2.29e-06
1891,2.68e-06
1892,3.7399999999999998e-06
1893,5.35e-06
1894,7.37e-06
1895,9.67e-06
1896,1.21e-05
1897,1.46e-05
1898,1.6899999999999997e-05
1899,1.9e-05
1900,2.0799999999999997e-05
1901,2.22e-05
1902,2.34e-05
1903,2.46e-05
1904,2.58e-05
1905,2.69e-05
1906,2.8e-05
1907,2.91e-05
1908,3.03e-05
1909,3.17e-05
1910,3.31e-05
1911,3.47e-05
1912,3.6400000000000004e-05
1913,3.82e-05
1914,4.02e-05
1915,4.22e-05
1916,4.43e-05
1917,4.65e-05
1918,4.88e-05
1919,5.13e-05
1920,5.38e-05
1921,6.41e-05
1922,8.8e-05
1923,0.000123
1924,0.000166
1925,0.000215
1926,0.00026700000000000004
1927,0.00032
1928,0.00037
1929,0.000416
1930,0.00045400000000000003
1931,0.00048699999999999997
1932,0.000519
1933,0.000549
1934,0.000579
1935,0.000609
1936,0.000638
1937,0.0006670000000000001
1938,0.0006969999999999999
1939,0.000726
1940,0.000757
1941,0.0007880000000000001
1942,0.000819
1943,0.000852
1944,0.000887
1945,0.000923
1946,0.0009609999999999999
1947,0.001
1948,0.0010400000000000001
1949,0.00109
1950,0.00114
1951,0.0011899999999999999
1952,0.00125
1953,0.00132
1954,0.00139
1955,0.00146
1956,0.0015300000000000001
1957,0.00161
1958,0.0016899999999999999
1959,0.0017800000000000001
1960,0.00186
1961,0.00195
1962,0.00206
1963,0.00217
1964,0.0023
1965,0.00242
1966,0.00254
1967,0.00265
1968,0.00276
1969,0.00285
1970,0.00289
1971,0.00289
1972,0.00292
1973,0.0029500000000000004
1974,0.00297
1975,0.003
1976,0.0030299999999999997
1977,0.0030499999999999998
1978,0.0030800000000000003
1979,0.00311
1980,0.00313
1981,0.00315
1982,0.00317
1983,0.00318
1984,0.00319
1985,0.0032
1986,0.00327
1987,0.0033399999999999997
1988,0.0034
1989,0.00347
1990,0.00354
1991,0.0035600000000000002
1992,0.00357
1993,0.0035800000000000003
1994,0.0036
1995,0.00642
1996,0.0145
1997,0.020300000000000002
1998,0.023100000000000002
1999,0.0215
2000,0.0365
2001,0.0341
2002,0.0368
2003,0.047
2004,0.0412
2005,0.0347
2006,0.040600000000000004
2007,0.041299999999999996
2008,0.0419
2009,0.0466
2010,0.052399999999999995
2011,0.009
2012,0.00675
2013,0.00445
2014,0.0033
2015,0.00211
2016,0.00157
2017,0.0016200000000000001
2018,0.00145