year,IPC2
1850,3.5899999999999997e-07
1851,3.5899999999999997e-07
1852,3.5899999999999997e-07
1853,3.5899999999999997e-07
1854,3.5899999999999997e-07
1855,3.5899999999999997e-07
1856,3.5899999999999997e-07
1857,3.5899999999999997e-07
1858,3.5899999999999997e-07
1859,3.5899999999999997e-07
1860,3.5899999999999997e-07
1861,3.5899999999999997e-07
1862,3.5899999999999997e-07
1863,3.5899999999999997e-07
1864,3.5899999999999997e-07
1865,3.5899999999999997e-07
1866,3.5899999999999997e-07
1867,3.5899999999999997e-07
1868,3.5899999999999997e-07
1869,3.5899999999999997e-07
1870,3.5899999999999997e-07
1871,3.5899999999999997e-07
1872,3.5899999999999997e-07
1873,3.5899999999999997e-07
1874,3.5899999999999997e-07
1875,3.5899999999999997e-07
1876,3.5899999999999997e-07
1877,3.5899999999999997e-07
1878,3.5899999999999997e-07
1879,3.5899999999999997e-07
1880,3.5899999999999997e-07
1881,3.5899999999999997e-07
1882,3.5899999999999997e-07
1883,3.5899999999999997e-07
1884,3.5899999999999997e-07
1885,3.5899999999999997e-07
1886,3.5899999999999997e-07
1887,3.5899999999999997e-07
1888,3.5899999999999997e-07
1889,3.5899999999999997e-07
1890,3.5899999999999997e-07
1891,4.11e-07
1892,5.54e-07
1893,7.699999999999999e-07
1894,1.04e-06
1895,1.35e-06
1896,1.68e-06
1897,2.0100000000000002e-06
1898,2.33e-06
1899,2.61e-06
1900,2.84e-06
1901,3.0300000000000002e-06
1902,3.2000000000000003e-06
1903,3.36e-06
1904,3.5100000000000003e-06
1905,3.66e-06
1906,3.81e-06
1907,3.96e-06
1908,4.13e-06
1909,4.309999999999999e-06
1910,4.499999999999999e-06
1911,4.7200000000000005e-06
1912,4.95e-06
1913,5.19e-06
1914,5.45e-06
1915,5.72e-06
1916,6e-06
1917,6.3e-06
1918,6.61e-06
1919,6.94e-06
1920,7.28e-06
1921,8.829999999999998e-06
1922,1.25e-05
1923,1.7899999999999998e-05
1924,2.46e-05
1925,3.22e-05
1926,4.0300000000000004e-05
1927,4.84e-05
1928,5.63e-05
1929,6.33e-05
1930,6.92e-05
1931,7.43e-05
1932,7.91e-05
1933,8.38e-05
1934,8.83e-05
1935,9.279999999999999e-05
1936,9.719999999999999e-05
1937,0.000102
1938,0.000106
1939,0.000111
1940,0.000115
1941,0.00011999999999999999
1942,0.000125
1943,0.00013000000000000002
1944,0.000136
1945,0.00014199999999999998
1946,0.000148
1947,0.000154
1948,0.000161
1949,0.00016800000000000002
1950,0.000176
1951,0.000185
1952,0.000194
1953,0.000204
1954,0.000214
1955,0.00022600000000000002
1956,0.000237
1957,0.00025
1958,0.000262
1959,0.000275
1960,0.00028799999999999995
1961,0.000303
1962,0.000319
1963,0.000337
1964,0.00035499999999999996
1965,0.000374
1966,0.000393
1967,0.00041099999999999996
1968,0.00042699999999999997
1969,0.000441
1970,0.0005250000000000001
1971,0.00049
1972,0.000458
1973,0.0005620000000000001
1974,0.0006450000000000001
1975,0.000578
1976,0.000633
1977,0.0008060000000000001
1978,0.000851
1979,0.000858
1980,0.000877
1981,0.000896
1982,0.000772
1983,0.000661
1984,0.00078
1985,0.000767
1986,0.0008399999999999999
1987,0.0008169999999999999
1988,0.000805
1989,0.000794
1990,0.00034300000000000004
1991,0.000298
1992,0.000126
1993,0.000102
1994,8.790000000000001e-05
1995,0.000115
1996,0.000121
1997,0.00013800000000000002
1998,0.000156
1999,0.000174
2000,0.000184
2001,0.00020999999999999998
2002,0.000214
2003,0.000214
2004,0.000193
2005,0.00019600000000000002
2006,0.000206
2007,0.000206
2008,0.000208
2009,0.0002
2010,0.00023999999999999998
2011,0.000237
2012,0.000242
2013,0.000248
2014,0.000254
2015,0.00026000000000000003
2016,0.000265
2017,0.00027100000000000003
2018,0.000277