year,IPC2
1850,0.0
1851,0.0
1852,0.0
1853,0.0
1854,0.0
1855,0.0
1856,0.0
1857,0.0
1858,0.0
1859,0.0
1860,0.0
1861,0.0
1862,0.0
1863,0.0
1864,0.0
1865,0.0
1866,0.0
1867,0.0
1868,0.0
1869,0.0
1870,0.0
1871,0.0
1872,0.0
1873,0.0
1874,0.0
1875,0.0
1876,0.0
1877,0.0
1878,0.0
1879,0.0
1880,0.0
1881,0.0
1882,0.0
1883,0.0
1884,0.0
1885,0.0
1886,0.0
1887,0.0
1888,0.0
1889,0.0
1890,0.0
1891,0.0
1892,0.0
1893,0.0
1894,0.0
1895,0.0
1896,0.0
1897,0.0
1898,0.0
1899,0.0
1900,0.0
1901,0.0
1902,0.0
1903,0.0
1904,0.0
1905,0.0
1906,0.0
1907,0.0
1908,0.0
1909,0.0
1910,0.0
1911,0.0
1912,0.0
1913,0.0
1914,0.0
1915,0.0
1916,0.0
1917,0.0
1918,0.0
1919,0.0
1920,0.0
1921,4.24e-07
1922,1.5800000000000001e-06
1923,3.27e-06
1924,5.33e-06
1925,7.58e-06
1926,9.820000000000001e-06
1927,1.1900000000000001e-05
1928,1.3599999999999999e-05
1929,1.47e-05
1930,1.52e-05
1931,1.48e-05
1932,1.3899999999999999e-05
1933,1.25e-05
1934,1.08e-05
1935,9.03e-06
1936,7.2199999999999995e-06
1937,5.55e-06
1938,4.18e-06
1939,3.25e-06
1940,2.9099999999999997e-06
1941,2.97e-06
1942,3.13e-06
1943,3.3999999999999996e-06
1944,3.7399999999999998e-06
1945,4.139999999999999e-06
1946,4.6e-06
1947,5.1e-06
1948,5.6299999999999995e-06
1949,6.1599999999999995e-06
1950,6.7e-06
1951,7.26e-06
1952,7.889999999999999e-06
1953,8.59e-06
1954,9.36e-06
1955,1.02e-05
1956,1.11e-05
1957,1.21e-05
1958,1.31e-05
1959,1.4200000000000001e-05
1960,1.54e-05
1961,1.68e-05
1962,1.83e-05
1963,2.01e-05
1964,2.22e-05
1965,2.44e-05
1966,2.68e-05
1967,2.94e-05
1968,3.2099999999999994e-05
1969,3.5000000000000004e-05
1970,3.49e-05
1971,4.68e-05
1972,4.68e-05
1973,9.36e-05
1974,0.00014000000000000001
1975,0.000187
1976,0.00023400000000000002
1977,0.00023400000000000002
1978,0.00028100000000000005
1979,0.000374
1980,0.00046800000000000005
1981,0.00046800000000000005
1982,0.000515
1983,0.000655
1984,0.0009360000000000001
1985,0.000796
1986,0.000983
1987,0.00122
1988,0.0016799999999999999
1989,0.00183
1990,0.00184
1991,0.00235
1992,0.00268
1993,0.00385
1994,0.00553
1995,0.00992
1996,0.017
1997,0.0314
1998,0.031100000000000003
1999,0.045
2000,0.0691
2001,0.061200000000000004
2002,0.0725
2003,0.0768
2004,0.07629999999999999
2005,0.0992
2006,0.0959
2007,0.102
2008,0.107
2009,0.11
2010,0.113
2011,0.128
2012,0.135
2013,0.142
2014,0.149
2015,0.156
2016,0.162
2017,0.169
2018,0.176