year,IPC2
1850,1.49e-06
1851,1.49e-06
1852,1.49e-06
1853,1.49e-06
1854,1.49e-06
1855,1.49e-06
1856,1.49e-06
1857,1.49e-06
1858,1.49e-06
1859,1.49e-06
1860,1.49e-06
1861,1.49e-06
1862,1.49e-06
1863,1.49e-06
1864,1.49e-06
1865,1.49e-06
1866,1.49e-06
1867,1.49e-06
1868,1.49e-06
1869,1.49e-06
1870,1.49e-06
1871,1.49e-06
1872,1.49e-06
1873,1.49e-06
1874,1.49e-06
1875,1.49e-06
1876,1.49e-06
1877,1.49e-06
1878,1.49e-06
1879,1.49e-06
1880,1.49e-06
1881,1.49e-06
1882,1.5e-06
1883,1.5e-06
1884,1.5e-06
1885,1.5e-06
1886,1.5e-06
1887,1.5e-06
1888,1.5e-06
1889,1.5e-06
1890,1.5e-06
1891,1.71e-06
1892,2.31e-06
1893,3.21e-06
1894,4.34e-06
1895,5.6299999999999995e-06
1896,7e-06
1897,8.380000000000001e-06
1898,9.69e-06
1899,1.09e-05
1900,1.18e-05
1901,1.26e-05
1902,1.33e-05
1903,1.4e-05
1904,1.46e-05
1905,1.52e-05
1906,1.59e-05
1907,1.65e-05
1908,1.72e-05
1909,1.7899999999999998e-05
1910,1.88e-05
1911,1.96e-05
1912,2.06e-05
1913,2.16e-05
1914,2.2700000000000003e-05
1915,2.3800000000000003e-05
1916,2.5e-05
1917,2.62e-05
1918,2.75e-05
1919,2.8899999999999998e-05
1920,3.03e-05
1921,3.68e-05
1922,5.21e-05
1923,7.46e-05
1924,0.000102
1925,0.000134
1926,0.00016800000000000002
1927,0.000202
1928,0.00023400000000000002
1929,0.000264
1930,0.00028799999999999995
1931,0.000309
1932,0.00032900000000000003
1933,0.00034899999999999997
1934,0.000368
1935,0.000386
1936,0.00040500000000000003
1937,0.000423
1938,0.000442
1939,0.00046100000000000004
1940,0.00047999999999999996
1941,0.000501
1942,0.000522
1943,0.0005430000000000001
1944,0.000566
1945,0.0005899999999999999
1946,0.000615
1947,0.000642
1948,0.00067
1949,0.0007009999999999999
1950,0.000733
1951,0.000768
1952,0.0008070000000000001
1953,0.000848
1954,0.000893
1955,0.00094
1956,0.000989
1957,0.0010400000000000001
1958,0.00109
1959,0.00115
1960,0.0012
1961,0.00126
1962,0.00133
1963,0.0014
1964,0.00148
1965,0.00156
1966,0.00164
1967,0.00171
1968,0.0017800000000000001
1969,0.00183
1970,0.00188
1971,0.0019199999999999998
1972,0.00196
1973,0.002
1974,0.00204
1975,0.0020800000000000003
1976,0.00211
1977,0.00214
1978,0.00217
1979,0.00219
1980,0.00222
1981,0.0022299999999999998
1982,0.00226
1983,0.00228
1984,0.0023
1985,0.00233
1986,0.00234
1987,0.0024
1988,0.0024500000000000004
1989,0.0025099999999999996
1990,0.00256
1991,0.00272
1992,0.0030299999999999997
1993,0.0030600000000000002
1994,0.00328
1995,0.00749
1996,0.011800000000000001
1997,0.0159
1998,0.02
1999,0.024
2000,0.023899999999999998
2001,0.0238
2002,0.0237
2003,0.023600000000000003
2004,0.0235
2005,0.023399999999999997
2006,0.0233
2007,0.0232
2008,0.023100000000000002
2009,0.023
2010,0.0229
2011,0.0256
2012,0.0261
2013,0.026600000000000002
2014,0.027
2015,0.0275
2016,0.027899999999999998
2017,0.028399999999999998
2018,0.0289