year,IPC2
1850,1e-06
1851,1e-06
1852,1e-06
1853,1e-06
1854,1e-06
1855,1e-06
1856,1e-06
1857,1e-06
1858,1e-06
1859,1e-06
1860,1e-06
1861,1e-06
1862,1e-06
1863,1e-06
1864,1e-06
1865,1e-06
1866,1e-06
1867,1e-06
1868,1e-06
1869,1e-06
1870,1e-06
1871,1e-06
1872,1e-06
1873,1e-06
1874,1e-06
1875,1e-06
1876,1e-06
1877,1e-06
1878,1e-06
1879,1e-06
1880,1e-06
1881,1e-06
1882,1e-06
1883,1e-06
1884,1e-06
1885,1e-06
1886,1e-06
1887,1e-06
1888,1e-06
1889,1e-06
1890,1e-06
1891,1.17e-06
1892,1.64e-06
1893,2.34e-06
1894,3.22e-06
1895,4.23e-06
1896,5.3e-06
1897,6.38e-06
1898,7.41e-06
1899,8.33e-06
1900,9.08e-06
1901,9.7e-06
1902,1.03e-05
1903,1.08e-05
1904,1.1299999999999999e-05
1905,1.18e-05
1906,1.22e-05
1907,1.2699999999999999e-05
1908,1.33e-05
1909,1.3899999999999999e-05
1910,1.45e-05
1911,1.52e-05
1912,1.59e-05
1913,1.67e-05
1914,1.76e-05
1915,1.85e-05
1916,1.94e-05
1917,2.04e-05
1918,2.14e-05
1919,2.24e-05
1920,2.35e-05
1921,2.8e-05
1922,3.85e-05
1923,5.37e-05
1924,7.26e-05
1925,9.41e-05
1926,0.00011700000000000001
1927,0.00014000000000000001
1928,0.000162
1929,0.000182
1930,0.000199
1931,0.000213
1932,0.00022700000000000002
1933,0.00023999999999999998
1934,0.000254
1935,0.000266
1936,0.000279
1937,0.000292
1938,0.000305
1939,0.00031800000000000003
1940,0.000331
1941,0.000357
1942,0.000406
1943,0.000474
1944,0.0005560000000000001
1945,0.000651
1946,0.000752
1947,0.000858
1948,0.000963
1949,0.00106
1950,0.00116
1951,0.00125
1952,0.00134
1953,0.0014299999999999998
1954,0.0015300000000000001
1955,0.00163
1956,0.00173
1957,0.00183
1958,0.0019299999999999999
1959,0.0020299999999999997
1960,0.00213
1961,0.0022400000000000002
1962,0.00234
1963,0.00244
1964,0.00254
1965,0.00264
1966,0.00275
1967,0.00287
1968,0.00299
1969,0.00382
1970,0.00544
1971,0.007030000000000001
1972,0.00691
1973,0.00876
1974,0.0072
1975,0.0105
1976,0.0141
1977,0.0177
1978,0.0229
1979,0.0308
1980,0.0357
1981,0.0381
1982,0.0424
1983,0.0445
1984,0.046299999999999994
1985,0.053
1986,0.0554
1987,0.054799999999999995
1988,0.052
1989,0.0502
1990,0.0513
1991,0.054299999999999994
1992,0.0663
1993,0.07759999999999999
1994,0.107
1995,0.152
1996,0.199
1997,0.258
1998,0.331
1999,0.443
2000,0.521
2001,0.595
2002,0.686
2003,0.763
2004,0.846
2005,0.93
2006,1.05
2007,1.14
2008,1.23
2009,1.24
2010,1.48
2011,1.52
2012,1.55
2013,1.58
2014,1.57
2015,1.48
2016,1.45
2017,1.37
2018,1.32