year,IPC2
1850,4.11e-07
1851,4.11e-07
1852,4.11e-07
1853,4.11e-07
1854,4.11e-07
1855,4.11e-07
1856,4.11e-07
1857,4.11e-07
1858,4.11e-07
1859,4.11e-07
1860,4.11e-07
1861,4.11e-07
1862,4.11e-07
1863,4.11e-07
1864,4.11e-07
1865,4.11e-07
1866,4.11e-07
1867,4.11e-07
1868,4.11e-07
1869,4.12e-07
1870,4.12e-07
1871,4.12e-07
1872,4.12e-07
1873,4.12e-07
1874,4.12e-07
1875,4.12e-07
1876,4.12e-07
1877,4.12e-07
1878,4.12e-07
1879,4.12e-07
1880,4.12e-07
1881,4.12e-07
1882,4.12e-07
1883,4.12e-07
1884,4.12e-07
1885,4.12e-07
1886,4.12e-07
1887,4.12e-07
1888,4.12e-07
1889,4.12e-07
1890,4.12e-07
1891,4.81e-07
1892,6.72e-07
1893,9.61e-07
1894,1.32e-06
1895,1.74e-06
1896,2.18e-06
1897,2.62e-06
1898,3.04e-06
1899,3.42e-06
1900,3.73e-06
1901,3.98e-06
1902,4.21e-06
1903,4.43e-06
1904,4.63e-06
1905,4.83e-06
1906,5.02e-06
1907,5.23e-06
1908,5.45e-06
1909,5.69e-06
1910,5.950000000000001e-06
1911,6.2399999999999995e-06
1912,6.55e-06
1913,6.87e-06
1914,7.2100000000000004e-06
1915,7.58e-06
1916,7.96e-06
1917,8.36e-06
1918,8.77e-06
1919,9.21e-06
1920,9.67e-06
1921,1.4e-05
1922,2.51e-05
1923,4.14e-05
1924,6.14e-05
1925,8.340000000000001e-05
1926,0.000106
1927,0.000128
1928,0.000147
1929,0.000162
1930,0.000171
1931,0.000175
1932,0.000175
1933,0.00017299999999999998
1934,0.00016800000000000002
1935,0.000163
1936,0.000157
1937,0.000153
1938,0.00015
1939,0.00015
1940,0.000153
1941,0.00015900000000000002
1942,0.000166
1943,0.000174
1944,0.000183
1945,0.000193
1946,0.000204
1947,0.000215
1948,0.00022700000000000002
1949,0.00023899999999999998
1950,0.000252
1951,0.000266
1952,0.00028100000000000005
1953,0.000297
1954,0.000315
1955,0.00033400000000000004
1956,0.00035299999999999996
1957,0.000374
1958,0.000395
1959,0.00041799999999999997
1960,0.00044
1961,0.00046600000000000005
1962,0.000495
1963,0.000526
1964,0.0005610000000000001
1965,0.000596
1966,0.000632
1967,0.000669
1968,0.000705
1969,0.000739
1970,0.000868
1971,0.000856
1972,0.000823
1973,0.000999
1974,0.0011200000000000001
1975,0.00102
1976,0.00117
1977,0.0014299999999999998
1978,0.0015400000000000001
1979,0.00161
1980,0.00166
1981,0.00172
1982,0.00158
1983,0.00152
1984,0.0017
1985,0.00172
1986,0.0018700000000000001
1987,0.00191
1988,0.00202
1989,0.00209
1990,0.00181
1991,0.0017900000000000001
1992,0.00166
1993,0.00181
1994,0.00212
1995,0.00227
1996,0.00346
1997,0.0034500000000000004
1998,0.00411
1999,0.00479
2000,0.00462
2001,0.00533
2002,0.00555
2003,0.00544
2004,0.00556
2005,0.0057599999999999995
2006,0.00651
2007,0.00708
2008,0.00766
2009,0.00839
2010,0.00914
2011,0.00873
2012,0.0091
2013,0.009470000000000001
2014,0.00983
2015,0.010199999999999999
2016,0.0106
2017,0.0109
2018,0.011300000000000001