year,IPC2
1850,1.1399999999999999e-06
1851,1.1399999999999999e-06
1852,1.1399999999999999e-06
1853,1.1399999999999999e-06
1854,1.1399999999999999e-06
1855,1.1399999999999999e-06
1856,1.1399999999999999e-06
1857,1.1399999999999999e-06
1858,1.1399999999999999e-06
1859,1.1399999999999999e-06
1860,1.1399999999999999e-06
1861,1.1399999999999999e-06
1862,1.1399999999999999e-06
1863,1.1399999999999999e-06
1864,1.15e-06
1865,1.15e-06
1866,1.15e-06
1867,1.15e-06
1868,1.15e-06
1869,1.15e-06
1870,1.15e-06
1871,1.15e-06
1872,1.15e-06
1873,1.15e-06
1874,1.15e-06
1875,1.15e-06
1876,1.15e-06
1877,1.15e-06
1878,1.15e-06
1879,1.15e-06
1880,1.15e-06
1881,1.15e-06
1882,1.15e-06
1883,1.15e-06
1884,1.15e-06
1885,1.15e-06
1886,1.15e-06
1887,1.15e-06
1888,1.15e-06
1889,1.15e-06
1890,1.15e-06
1891,1.34e-06
1892,1.8699999999999999e-06
1893,2.68e-06
1894,3.6900000000000002e-06
1895,4.839999999999999e-06
1896,6.0600000000000004e-06
1897,7.3e-06
1898,8.47e-06
1899,9.52e-06
1900,1.0399999999999999e-05
1901,1.11e-05
1902,1.17e-05
1903,1.23e-05
1904,1.29e-05
1905,1.34e-05
1906,1.4e-05
1907,1.46e-05
1908,1.52e-05
1909,1.58e-05
1910,1.66e-05
1911,1.74e-05
1912,1.8200000000000002e-05
1913,1.91e-05
1914,2.01e-05
1915,2.11e-05
1916,2.22e-05
1917,2.33e-05
1918,2.44e-05
1919,2.5600000000000002e-05
1920,2.69e-05
1921,3.2099999999999994e-05
1922,4.4e-05
1923,6.14e-05
1924,8.309999999999999e-05
1925,0.000108
1926,0.000134
1927,0.00016
1928,0.000185
1929,0.000208
1930,0.00022700000000000002
1931,0.000244
1932,0.000259
1933,0.000275
1934,0.00029
1935,0.000305
1936,0.000319
1937,0.00033400000000000004
1938,0.000348
1939,0.000363
1940,0.000378
1941,0.00039400000000000004
1942,0.00041
1943,0.000426
1944,0.000443
1945,0.000462
1946,0.000481
1947,0.000501
1948,0.000522
1949,0.000546
1950,0.00057
1951,0.000597
1952,0.000627
1953,0.0006590000000000001
1954,0.0006929999999999999
1955,0.0007289999999999999
1956,0.000767
1957,0.0008060000000000001
1958,0.000847
1959,0.000888
1960,0.0009310000000000001
1961,0.000977
1962,0.00103
1963,0.00109
1964,0.00115
1965,0.00121
1966,0.00127
1967,0.00133
1968,0.00138
1969,0.00138
1970,0.00125
1971,0.0016899999999999999
1972,0.00246
1973,0.00537
1974,0.00498
1975,0.00337
1976,0.00366
1977,0.00461
1978,0.0034300000000000003
1979,0.00432
1980,0.00322
1981,0.0032400000000000003
1982,0.00326
1983,0.0038900000000000002
1984,0.00452
1985,0.00454
1986,0.00461
1987,0.00542
1988,0.00551
1989,0.0055899999999999995
1990,0.00554
1991,0.0057599999999999995
1992,0.00433
1993,0.00441
1994,0.004719999999999999
1995,0.01
1996,0.0154
1997,0.0208
1998,0.026199999999999998
1999,0.0316
2000,0.0318
2001,0.0319
2002,0.032
2003,0.032100000000000004
2004,0.0322
2005,0.032299999999999995
2006,0.0325
2007,0.032600000000000004
2008,0.0327
2009,0.032799999999999996
2010,0.033
2011,0.0494
2012,0.0363
2013,0.0424
2014,0.0404
2015,0.045200000000000004
2016,0.127
2017,0.0564
2018,0.041299999999999996