year,IPC2
1850,8.85e-09
1851,8.85e-09
1852,8.85e-09
1853,8.85e-09
1854,8.85e-09
1855,8.85e-09
1856,8.85e-09
1857,8.85e-09
1858,8.85e-09
1859,8.85e-09
1860,8.85e-09
1861,8.85e-09
1862,8.85e-09
1863,8.85e-09
1864,8.86e-09
1865,8.86e-09
1866,8.86e-09
1867,8.86e-09
1868,8.86e-09
1869,8.86e-09
1870,8.86e-09
1871,8.86e-09
1872,8.86e-09
1873,8.86e-09
1874,8.86e-09
1875,8.86e-09
1876,8.86e-09
1877,8.86e-09
1878,8.86e-09
1879,8.86e-09
1880,8.86e-09
1881,8.86e-09
1882,8.86e-09
1883,8.86e-09
1884,8.86e-09
1885,8.86e-09
1886,8.87e-09
1887,8.87e-09
1888,8.87e-09
1889,8.87e-09
1890,8.87e-09
1891,1.04e-08
1892,1.45e-08
1893,2.0699999999999997e-08
1894,2.85e-08
1895,3.7400000000000004e-08
1896,4.69e-08
1897,5.64e-08
1898,6.550000000000001e-08
1899,7.37e-08
1900,8.03e-08
1901,8.569999999999999e-08
1902,9.07e-08
1903,9.53e-08
1904,9.97e-08
1905,1.0399999999999999e-07
1906,1.08e-07
1907,1.1299999999999999e-07
1908,1.17e-07
1909,1.22e-07
1910,1.2799999999999998e-07
1911,1.34e-07
1912,1.41e-07
1913,1.48e-07
1914,1.55e-07
1915,1.6300000000000002e-07
1916,1.71e-07
1917,1.8000000000000002e-07
1918,1.89e-07
1919,1.98e-07
1920,2.0799999999999998e-07
1921,2.48e-07
1922,3.4000000000000003e-07
1923,4.75e-07
1924,6.42e-07
1925,8.319999999999999e-07
1926,1.03e-06
1927,1.24e-06
1928,1.43e-06
1929,1.61e-06
1930,1.76e-06
1931,1.88e-06
1932,2.0100000000000002e-06
1933,2.13e-06
1934,2.2399999999999997e-06
1935,2.3600000000000003e-06
1936,2.47e-06
1937,2.58e-06
1938,2.69e-06
1939,2.81e-06
1940,2.93e-06
1941,4.2000000000000004e-05
1942,0.00015099999999999998
1943,0.000317
1944,0.0005290000000000001
1945,0.000773
1946,0.0010400000000000001
1947,0.00131
1948,0.00158
1949,0.00183
1950,0.00206
1951,0.00226
1952,0.0024700000000000004
1953,0.00268
1954,0.0028799999999999997
1955,0.00309
1956,0.00329
1957,0.0035
1958,0.0037099999999999998
1959,0.00391
1960,0.00412
1961,0.00431
1962,0.0044800000000000005
1963,0.00464
1964,0.00479
1965,0.00495
1966,0.00513
1967,0.00533
1968,0.00557
1969,0.008490000000000001
1970,0.0124
1971,0.018699999999999998
1972,0.0181
1973,0.024
1974,0.018
1975,0.0293
1976,0.039200000000000006
1977,0.0474
1978,0.0575
1979,0.0694
1980,0.0682
1981,0.07529999999999999
1982,0.0858
1983,0.0952
1984,0.0965
1985,0.124
1986,0.139
1987,0.144
1988,0.142
1989,0.138
1990,0.161
1991,0.172
1992,0.211
1993,0.239
1994,0.313
1995,0.386
1996,0.421
1997,0.522
1998,0.632
1999,0.769
2000,0.922
2001,1.04
2002,1.2
2003,1.34
2004,1.5
2005,1.67
2006,1.86
2007,2.01
2008,2.17
2009,2.24
2010,2.24
2011,2.09
2012,2.29
2013,2.23
2014,2.12
2015,1.65
2016,1.73
2017,1.41
2018,1.62