year,IPC2
1850,5.15e-07
1851,5.15e-07
1852,5.15e-07
1853,5.15e-07
1854,5.15e-07
1855,5.15e-07
1856,5.15e-07
1857,5.15e-07
1858,5.15e-07
1859,5.15e-07
1860,5.15e-07
1861,5.15e-07
1862,5.15e-07
1863,5.15e-07
1864,5.16e-07
1865,5.16e-07
1866,5.16e-07
1867,5.16e-07
1868,5.16e-07
1869,5.16e-07
1870,5.16e-07
1871,5.16e-07
1872,5.16e-07
1873,5.16e-07
1874,5.16e-07
1875,5.16e-07
1876,5.16e-07
1877,5.16e-07
1878,5.16e-07
1879,5.16e-07
1880,5.16e-07
1881,5.16e-07
1882,5.16e-07
1883,5.16e-07
1884,5.16e-07
1885,5.16e-07
1886,5.16e-07
1887,5.16e-07
1888,5.16e-07
1889,5.16e-07
1890,5.16e-07
1891,5.900000000000001e-07
1892,7.960000000000001e-07
1893,1.1100000000000002e-06
1894,1.5e-06
1895,1.94e-06
1896,2.41e-06
1897,2.8900000000000003e-06
1898,3.34e-06
1899,3.7499999999999997e-06
1900,4.08e-06
1901,4.35e-06
1902,4.6e-06
1903,4.83e-06
1904,5.05e-06
1905,5.26e-06
1906,5.47e-06
1907,5.7000000000000005e-06
1908,5.93e-06
1909,6.19e-06
1910,6.47e-06
1911,6.7799999999999995e-06
1912,7.11e-06
1913,7.46e-06
1914,7.83e-06
1915,8.22e-06
1916,8.63e-06
1917,9.050000000000001e-06
1918,9.5e-06
1919,9.97e-06
1920,1.0500000000000001e-05
1921,1.2800000000000001e-05
1922,1.83e-05
1923,2.64e-05
1924,3.6400000000000004e-05
1925,4.78e-05
1926,5.98e-05
1927,7.19e-05
1928,8.350000000000001e-05
1929,9.379999999999999e-05
1930,0.000102
1931,0.00011
1932,0.000116
1933,0.000123
1934,0.000129
1935,0.000135
1936,0.00014099999999999998
1937,0.000147
1938,0.000153
1939,0.00016
1940,0.000166
1941,0.000183
1942,0.00021799999999999999
1943,0.00026700000000000004
1944,0.00032700000000000003
1945,0.000397
1946,0.000472
1947,0.00055
1948,0.000627
1949,0.0007009999999999999
1950,0.000768
1951,0.000832
1952,0.000896
1953,0.000962
1954,0.00103
1955,0.0011
1956,0.00117
1957,0.00124
1958,0.0013
1959,0.00138
1960,0.00145
1961,0.00152
1962,0.00158
1963,0.00165
1964,0.00172
1965,0.0017800000000000001
1966,0.00186
1967,0.0019299999999999999
1968,0.00202
1969,0.00211
1970,0.00229
1971,0.00262
1972,0.0026
1973,0.00315
1974,0.00318
1975,0.0037400000000000003
1976,0.00451
1977,0.00524
1978,0.00609
1979,0.00746
1980,0.00855
1981,0.00907
1982,0.0101
1983,0.010199999999999999
1984,0.011300000000000001
1985,0.0114
1986,0.0136
1987,0.016300000000000002
1988,0.0177
1989,0.0192
1990,0.022699999999999998
1991,0.0378
1992,0.0564
1993,0.0855
1994,0.126
1995,0.208
1996,0.297
1997,0.389
1998,0.354
1999,0.628
2000,0.879
2001,0.912
2002,0.891
2003,1.01
2004,1.03
2005,1.13
2006,1.17
2007,1.23
2008,1.29
2009,1.13
2010,1.26
2011,1.31
2012,1.29
2013,1.33
2014,1.42
2015,1.42
2016,1.53
2017,1.57
2018,1.38