year,IPC2
1850,1.84e-06
1851,1.84e-06
1852,1.84e-06
1853,1.84e-06
1854,1.84e-06
1855,1.84e-06
1856,1.84e-06
1857,1.84e-06
1858,1.84e-06
1859,1.84e-06
1860,1.84e-06
1861,1.84e-06
1862,1.84e-06
1863,1.84e-06
1864,1.85e-06
1865,1.85e-06
1866,1.85e-06
1867,1.85e-06
1868,1.85e-06
1869,1.85e-06
1870,1.85e-06
1871,1.85e-06
1872,1.85e-06
1873,1.85e-06
1874,1.85e-06
1875,1.85e-06
1876,1.85e-06
1877,1.85e-06
1878,1.85e-06
1879,1.85e-06
1880,1.85e-06
1881,1.85e-06
1882,1.85e-06
1883,1.85e-06
1884,1.85e-06
1885,1.85e-06
1886,1.85e-06
1887,1.85e-06
1888,1.85e-06
1889,1.85e-06
1890,1.85e-06
1891,2.1099999999999997e-06
1892,2.8500000000000002e-06
1893,3.96e-06
1894,5.36e-06
1895,6.9499999999999995e-06
1896,8.64e-06
1897,1.03e-05
1898,1.2e-05
1899,1.34e-05
1900,1.46e-05
1901,1.56e-05
1902,1.65e-05
1903,1.73e-05
1904,1.8100000000000003e-05
1905,1.88e-05
1906,1.96e-05
1907,2.04e-05
1908,2.12e-05
1909,2.2100000000000002e-05
1910,2.3199999999999998e-05
1911,2.4299999999999998e-05
1912,2.5399999999999997e-05
1913,2.6700000000000002e-05
1914,2.8e-05
1915,2.94e-05
1916,3.09e-05
1917,3.24e-05
1918,3.4e-05
1919,3.57e-05
1920,3.74e-05
1921,4.6399999999999996e-05
1922,6.8e-05
1923,9.98e-05
1924,0.00013900000000000002
1925,0.000183
1926,0.00023
1927,0.000277
1928,0.000321
1929,0.00035999999999999997
1930,0.00039200000000000004
1931,0.000417
1932,0.000439
1933,0.00046
1934,0.00047999999999999996
1935,0.000498
1936,0.000517
1937,0.000535
1938,0.000555
1939,0.0005769999999999999
1940,0.0006
1941,0.00064
1942,0.0007059999999999999
1943,0.000794
1944,0.0009
1945,0.00102
1946,0.00115
1947,0.00128
1948,0.0014199999999999998
1949,0.00155
1950,0.0016699999999999998
1951,0.0017900000000000001
1952,0.0019199999999999998
1953,0.0020499999999999997
1954,0.00218
1955,0.00231
1956,0.0024500000000000004
1957,0.00259
1958,0.0027400000000000002
1959,0.0028799999999999997
1960,0.0030299999999999997
1961,0.00318
1962,0.00333
1963,0.00348
1964,0.00364
1965,0.00381
1966,0.0039700000000000004
1967,0.00415
1968,0.00433
1969,0.00451
1970,0.00457
1971,0.00463
1972,0.004690000000000001
1973,0.0047599999999999995
1974,0.00484
1975,0.00491
1976,0.00498
1977,0.00505
1978,0.00513
1979,0.00521
1980,0.00528
1981,0.00536
1982,0.00544
1983,0.00551
1984,0.0056
1985,0.0057
1986,0.00587
1987,0.00609
1988,0.0064
1989,0.00688
1990,0.00698
1991,0.008060000000000001
1992,0.00928
1993,0.0198
1994,0.041299999999999996
1995,0.09140000000000001
1996,0.156
1997,0.202
1998,0.261
1999,0.346
2000,0.443
2001,0.556
2002,0.656
2003,0.783
2004,0.926
2005,1.12
2006,1.24
2007,1.38
2008,1.51
2009,2.54
2010,3.67
2011,4.02
2012,4.18
2013,4.35
2014,4.58
2015,4.9
2016,5.13
2017,5.42
2018,5.59