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
1921,1.98e-06
1922,7.34e-06
1923,1.52e-05
1924,2.48e-05
1925,3.53e-05
1926,4.57e-05
1927,5.53e-05
1928,6.32e-05
1929,6.86e-05
1930,7.06e-05
1931,6.900000000000001e-05
1932,6.46e-05
1933,5.82e-05
1934,5.05e-05
1935,4.2000000000000004e-05
1936,3.36e-05
1937,2.59e-05
1938,1.95e-05
1939,1.5100000000000001e-05
1940,1.35e-05
1941,1.38e-05
1942,1.46e-05
1943,1.58e-05
1944,1.74e-05
1945,1.93e-05
1946,2.14e-05
1947,2.3800000000000003e-05
1948,2.62e-05
1949,2.87e-05
1950,3.12e-05
1951,3.3799999999999995e-05
1952,3.6700000000000004e-05
1953,4e-05
1954,4.36e-05
1955,4.75e-05
1956,5.17e-05
1957,5.62e-05
1958,6.110000000000001e-05
1959,6.63e-05
1960,7.18e-05
1961,7.8e-05
1962,8.53e-05
1963,9.37e-05
1964,0.000103
1965,0.00011300000000000001
1966,0.000125
1967,0.00013700000000000002
1968,0.00015
1969,0.000163
1970,0.000188
1971,0.000201
1972,0.000207
1973,0.00023999999999999998
1974,0.000266
1975,0.000236
1976,0.00028399999999999996
1977,0.000317
1978,0.000348
1979,0.000367
1980,0.00039200000000000004
1981,0.00040500000000000003
1982,0.000381
1983,0.000442
1984,0.000465
1985,0.00046600000000000005
1986,0.000498
1987,0.000519
1988,0.000606
1989,0.00065
1990,0.000834
1991,0.000867
1992,0.000921
1993,0.00109
1994,0.00134
1995,0.0014399999999999999
1996,0.0023799999999999997
1997,0.0023599999999999997
1998,0.00289
1999,0.0035099999999999997
2000,0.0034
2001,0.00393
2002,0.0041600000000000005
2003,0.00419
2004,0.00438
2005,0.00457
2006,0.00518
2007,0.00566
2008,0.0061600000000000005
2009,0.0067800000000000004
2010,0.00737
2011,0.00713
2012,0.00746
2013,0.00779
2014,0.00813
2015,0.00846
2016,0.00879
2017,0.009130000000000001
2018,0.009460000000000001