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
1941,0.000575
1942,0.0005989999999999999
1943,0.000624
1944,0.00065
1945,0.000678
1946,0.000707
1947,0.0007379999999999999
1948,0.0007700000000000001
1949,0.000805
1950,0.000842
1951,0.000883
1952,0.0009270000000000001
1953,0.000975
1954,0.00103
1955,0.00108
1956,0.00114
1957,0.0011899999999999999
1958,0.00125
1959,0.00132
1960,0.00138
1961,0.00145
1962,0.0015300000000000001
1963,0.00161
1964,0.0017
1965,0.0017900000000000001
1966,0.00188
1967,0.00196
1968,0.00204
1969,0.00211
1970,0.00218
1971,0.00214
1972,0.00216
1973,0.0022299999999999998
1974,0.00226
1975,0.00228
1976,0.00252
1977,0.00257
1978,0.00271
1979,0.00283
1980,0.0027400000000000002
1981,0.00264
1982,0.00266
1983,0.00275
1984,0.00276
1985,0.00279
1986,0.00277
1987,0.0028599999999999997
1988,0.00292
1989,0.00321
1990,0.004059999999999999
1991,0.004019999999999999
1992,0.00438
1993,0.0043
1994,0.00382
1995,0.00795
1996,0.014199999999999999
1997,0.0184
1998,0.0229
1999,0.0272
2000,0.0246
2001,0.0248
2002,0.025
2003,0.0251
2004,0.0253
2005,0.0254
2006,0.0256
2007,0.0257
2008,0.0259
2009,4.66
2010,9.29
2011,10.6
2012,11.9
2013,13.3
2014,14.8
2015,16.3
2016,18.0
2017,19.9
2018,22.3