year,IPC2
1850,1.72e-06
1851,1.72e-06
1852,1.72e-06
1853,1.72e-06
1854,1.72e-06
1855,1.72e-06
1856,1.72e-06
1857,1.72e-06
1858,1.72e-06
1859,1.72e-06
1860,1.72e-06
1861,1.72e-06
1862,1.72e-06
1863,1.72e-06
1864,1.72e-06
1865,1.72e-06
1866,1.72e-06
1867,1.72e-06
1868,1.72e-06
1869,1.72e-06
1870,1.72e-06
1871,1.72e-06
1872,1.72e-06
1873,1.72e-06
1874,1.72e-06
1875,1.72e-06
1876,1.72e-06
1877,1.72e-06
1878,1.72e-06
1879,1.72e-06
1880,1.72e-06
1881,1.72e-06
1882,1.72e-06
1883,1.72e-06
1884,1.72e-06
1885,1.72e-06
1886,1.72e-06
1887,1.72e-06
1888,1.72e-06
1889,1.72e-06
1890,1.72e-06
1891,1.9699999999999998e-06
1892,2.65e-06
1893,3.68e-06
1894,4.98e-06
1895,6.46e-06
1896,8.040000000000001e-06
1897,9.63e-06
1898,1.11e-05
1899,1.25e-05
1900,1.3599999999999999e-05
1901,1.45e-05
1902,1.53e-05
1903,1.61e-05
1904,1.68e-05
1905,1.7500000000000002e-05
1906,1.8200000000000002e-05
1907,1.9e-05
1908,1.9699999999999998e-05
1909,2.06e-05
1910,2.1499999999999997e-05
1911,2.2599999999999997e-05
1912,2.37e-05
1913,2.48e-05
1914,2.61e-05
1915,2.7400000000000002e-05
1916,2.87e-05
1917,3.01e-05
1918,3.16e-05
1919,3.32e-05
1920,3.48e-05
1921,4.23e-05
1922,5.99e-05
1923,8.57e-05
1924,0.000118
1925,0.000154
1926,0.000193
1927,0.000232
1928,0.00026900000000000003
1929,0.000303
1930,0.000331
1931,0.00035499999999999996
1932,0.000378
1933,0.00040100000000000004
1934,0.000422
1935,0.000444
1936,0.000465
1937,0.000486
1938,0.000507
1939,0.0005290000000000001
1940,0.0005520000000000001
1941,0.000584
1942,0.000634
1943,0.000699
1944,0.000775
1945,0.000861
1946,0.000953
1947,0.0010500000000000002
1948,0.00114
1949,0.00124
1950,0.00133
1951,0.0014199999999999998
1952,0.00151
1953,0.00161
1954,0.00171
1955,0.00181
1956,0.0019199999999999998
1957,0.00202
1958,0.00213
1959,0.0022400000000000002
1960,0.0023599999999999997
1961,0.0024700000000000004
1962,0.00259
1963,0.00271
1964,0.0028399999999999996
1965,0.00296
1966,0.0031
1967,0.00323
1968,0.0033599999999999997
1969,0.00423
1970,0.00556
1971,0.0070599999999999994
1972,0.00701
1973,0.00866
1974,0.00704
1975,0.010199999999999999
1976,0.0134
1977,0.0159
1978,0.0195
1979,0.0245
1980,0.0257
1981,0.0256
1982,0.026600000000000002
1983,0.026699999999999998
1984,0.023100000000000002
1985,0.027600000000000003
1986,0.036899999999999995
1987,0.0432
1988,0.047200000000000006
1989,0.0518
1990,0.0611
1991,0.0598
1992,0.0699
1993,0.0727
1994,0.0915
1995,0.129
1996,0.178
1997,0.221
1998,0.288
1999,0.362
2000,0.445
2001,0.489
2002,0.563
2003,0.61
2004,0.672
2005,0.718
2006,0.81
2007,0.876
2008,0.944
2009,5.66
2010,10.4
2011,11.8
2012,13.2
2013,14.7
2014,16.2
2015,17.8
2016,19.6
2017,21.6
2018,24.0