year,IPC2
1850,3.56e-06
1851,3.56e-06
1852,3.56e-06
1853,3.56e-06
1854,3.56e-06
1855,3.56e-06
1856,3.56e-06
1857,3.56e-06
1858,3.56e-06
1859,3.56e-06
1860,3.56e-06
1861,3.5699999999999997e-06
1862,3.5699999999999997e-06
1863,3.5699999999999997e-06
1864,3.5699999999999997e-06
1865,3.5699999999999997e-06
1866,3.5699999999999997e-06
1867,3.5699999999999997e-06
1868,3.5699999999999997e-06
1869,3.5699999999999997e-06
1870,3.5699999999999997e-06
1871,3.5699999999999997e-06
1872,3.5699999999999997e-06
1873,3.5699999999999997e-06
1874,3.5699999999999997e-06
1875,3.5699999999999997e-06
1876,3.5699999999999997e-06
1877,3.5699999999999997e-06
1878,3.5699999999999997e-06
1879,3.5699999999999997e-06
1880,3.5699999999999997e-06
1881,3.5699999999999997e-06
1882,3.5699999999999997e-06
1883,3.5699999999999997e-06
1884,3.5699999999999997e-06
1885,3.5699999999999997e-06
1886,3.5699999999999997e-06
1887,3.5699999999999997e-06
1888,3.5699999999999997e-06
1889,3.5699999999999997e-06
1890,3.5699999999999997e-06
1891,4.08e-06
1892,5.5e-06
1893,7.65e-06
1894,1.0399999999999999e-05
1895,1.34e-05
1896,1.67e-05
1897,2e-05
1898,2.31e-05
1899,2.59e-05
1900,2.82e-05
1901,3.01e-05
1902,3.18e-05
1903,3.34e-05
1904,3.49e-05
1905,3.6400000000000004e-05
1906,3.7900000000000006e-05
1907,3.9399999999999995e-05
1908,4.1e-05
1909,4.28e-05
1910,4.48e-05
1911,4.6899999999999995e-05
1912,4.92e-05
1913,5.16e-05
1914,5.41e-05
1915,5.6800000000000005e-05
1916,5.97e-05
1917,6.26e-05
1918,6.57e-05
1919,6.900000000000001e-05
1920,7.240000000000001e-05
1921,8.78e-05
1922,0.000124
1923,0.000178
1924,0.000245
1925,0.00032
1926,0.0004
1927,0.000481
1928,0.000559
1929,0.000629
1930,0.0006879999999999999
1931,0.0007379999999999999
1932,0.000786
1933,0.000833
1934,0.000878
1935,0.0009220000000000001
1936,0.000966
1937,0.00101
1938,0.0010500000000000002
1939,0.0011
1940,0.00115
1941,0.0012
1942,0.00124
1943,0.0013
1944,0.00135
1945,0.00141
1946,0.00147
1947,0.0015300000000000001
1948,0.0016
1949,0.0016699999999999998
1950,0.00175
1951,0.00183
1952,0.0019299999999999999
1953,0.0020299999999999997
1954,0.00213
1955,0.0022400000000000002
1956,0.0023599999999999997
1957,0.00248
1958,0.00261
1959,0.00273
1960,0.0028599999999999997
1961,0.0030099999999999997
1962,0.00317
1963,0.00335
1964,0.0035299999999999997
1965,0.00372
1966,0.00391
1967,0.00408
1968,0.00424
1969,0.00438
1970,0.0
1971,0.334
1972,0.48
1973,0.418
1974,0.542
1975,0.513
1976,0.501
1977,0.481
1978,0.482
1979,0.494
1980,0.487
1981,0.467
1982,0.581
1983,0.87
1984,0.892
1985,0.871
1986,0.889
1987,0.886
1988,0.874
1989,0.847
1990,0.861
1991,0.733
1992,0.625
1993,0.505
1994,0.371
1995,0.385
1996,1.01
1997,1.08
1998,1.03
1999,0.986
2000,0.982
2001,1.01
2002,0.898
2003,0.896
2004,0.888
2005,0.872
2006,0.935
2007,0.97
2008,0.97
2009,0.548
2010,0.108
2011,0.138
2012,2.41
2013,1.98
2014,1.18
2015,1.21
2016,1.23
2017,1.26
2018,1.28