year,IPC2
1850,9.87e-05
1851,9.87e-05
1852,9.87e-05
1853,9.87e-05
1854,9.87e-05
1855,9.87e-05
1856,9.87e-05
1857,9.87e-05
1858,9.87e-05
1859,9.87e-05
1860,9.87e-05
1861,9.87e-05
1862,9.87e-05
1863,9.87e-05
1864,9.87e-05
1865,9.87e-05
1866,9.87e-05
1867,9.87e-05
1868,9.87e-05
1869,9.88e-05
1870,9.88e-05
1871,9.88e-05
1872,9.88e-05
1873,9.88e-05
1874,9.88e-05
1875,9.88e-05
1876,9.88e-05
1877,9.88e-05
1878,9.88e-05
1879,9.88e-05
1880,9.88e-05
1881,9.88e-05
1882,9.88e-05
1883,9.88e-05
1884,9.88e-05
1885,9.88e-05
1886,9.88e-05
1887,9.88e-05
1888,9.88e-05
1889,9.88e-05
1890,9.88e-05
1891,0.00011300000000000001
1892,0.000152
1893,0.000212
1894,0.000287
1895,0.000372
1896,0.000462
1897,0.000553
1898,0.00064
1899,0.000718
1900,0.000781
1901,0.000833
1902,0.0008810000000000001
1903,0.000925
1904,0.000966
1905,0.00101
1906,0.0010500000000000002
1907,0.00109
1908,0.00114
1909,0.0011799999999999998
1910,0.00124
1911,0.0013
1912,0.00136
1913,0.0014299999999999998
1914,0.0015
1915,0.00157
1916,0.00165
1917,0.00173
1918,0.00182
1919,0.00191
1920,0.002
1921,0.0024300000000000003
1922,0.00344
1923,0.0049299999999999995
1924,0.00677
1925,0.00886
1926,0.0111
1927,0.013300000000000001
1928,0.0155
1929,0.0174
1930,0.019
1931,0.020399999999999998
1932,0.0218
1933,0.023
1934,0.024300000000000002
1935,0.0255
1936,0.026699999999999998
1937,0.027899999999999998
1938,0.0292
1939,0.0304
1940,0.0317
1941,0.0332
1942,0.0349
1943,0.0368
1944,0.039
1945,0.041299999999999996
1946,0.0437
1947,0.046299999999999994
1948,0.049
1949,0.0517
1950,0.0545
1951,0.0575
1952,0.0606
1953,0.064
1954,0.0675
1955,0.0712
1956,0.0751
1957,0.07909999999999999
1958,0.0831
1959,0.0873
1960,0.0915
1961,0.09620000000000001
1962,0.101
1963,0.107
1964,0.113
1965,0.118
1966,0.124
1967,0.13
1968,0.135
1969,0.14
1970,0.138
1971,0.146
1972,0.131
1973,0.141
1974,0.138
1975,0.137
1976,0.147
1977,0.156
1978,0.165
1979,0.186
1980,0.194
1981,0.184
1982,0.18
1983,0.176
1984,0.191
1985,0.186
1986,0.204
1987,0.199
1988,0.194
1989,0.198
1990,0.249
1991,0.237
1992,0.236
1993,0.19
1994,0.206
1995,0.336
1996,0.381
1997,0.475
1998,0.59
1999,0.649
2000,0.773
2001,0.838
2002,0.926
2003,1.03
2004,1.14
2005,1.18
2006,1.27
2007,1.32
2008,1.39
2009,1.33
2010,1.33
2011,1.41
2012,1.52
2013,1.54
2014,1.57
2015,1.6
2016,1.52
2017,1.54
2018,1.51