year,IPC2
1850,4.800000000000001e-07
1851,4.800000000000001e-07
1852,4.800000000000001e-07
1853,4.800000000000001e-07
1854,4.800000000000001e-07
1855,4.800000000000001e-07
1856,4.800000000000001e-07
1857,4.800000000000001e-07
1858,4.800000000000001e-07
1859,4.800000000000001e-07
1860,4.800000000000001e-07
1861,4.800000000000001e-07
1862,4.800000000000001e-07
1863,4.81e-07
1864,4.81e-07
1865,4.81e-07
1866,4.81e-07
1867,4.81e-07
1868,4.81e-07
1869,4.81e-07
1870,4.81e-07
1871,4.81e-07
1872,4.81e-07
1873,4.81e-07
1874,4.81e-07
1875,4.81e-07
1876,4.81e-07
1877,4.81e-07
1878,4.81e-07
1879,4.81e-07
1880,4.81e-07
1881,4.81e-07
1882,4.81e-07
1883,4.81e-07
1884,4.81e-07
1885,4.81e-07
1886,4.81e-07
1887,4.81e-07
1888,4.81e-07
1889,4.81e-07
1890,4.81e-07
1891,5.62e-07
1892,7.85e-07
1893,1.1199999999999999e-06
1894,1.55e-06
1895,2.03e-06
1896,2.55e-06
1897,3.06e-06
1898,3.56e-06
1899,4e-06
1900,4.36e-06
1901,4.6499999999999995e-06
1902,4.9199999999999995e-06
1903,5.1700000000000005e-06
1904,5.41e-06
1905,5.64e-06
1906,5.8700000000000005e-06
1907,6.11e-06
1908,6.37e-06
1909,6.65e-06
1910,6.96e-06
1911,7.29e-06
1912,7.65e-06
1913,8.030000000000001e-06
1914,8.43e-06
1915,8.85e-06
1916,9.299999999999999e-06
1917,9.76e-06
1918,1.03e-05
1919,1.08e-05
1920,1.1299999999999999e-05
1921,1.35e-05
1922,1.85e-05
1923,2.58e-05
1924,3.49e-05
1925,4.51e-05
1926,5.6099999999999995e-05
1927,6.71e-05
1928,7.77e-05
1929,8.730000000000001e-05
1930,9.53e-05
1931,0.000102
1932,0.00010899999999999999
1933,0.000115
1934,0.000122
1935,0.000128
1936,0.000134
1937,0.00014000000000000001
1938,0.000146
1939,0.000152
1940,0.00015900000000000002
1941,0.000165
1942,0.00017299999999999998
1943,0.00017999999999999998
1944,0.000188
1945,0.00019700000000000002
1946,0.000206
1947,0.000215
1948,0.00022600000000000002
1949,0.000236
1950,0.000248
1951,0.00026000000000000003
1952,0.000273
1953,0.000287
1954,0.00030199999999999997
1955,0.00031800000000000003
1956,0.000335
1957,0.000352
1958,0.00037
1959,0.000389
1960,0.00040699999999999997
1961,0.00042699999999999997
1962,0.00045
1963,0.000475
1964,0.000501
1965,0.000527
1966,0.000553
1967,0.000578
1968,0.000601
1969,0.000621
1970,0.000638
1971,0.0006540000000000001
1972,0.0006720000000000001
1973,0.0006919999999999999
1974,0.000712
1975,0.000733
1976,0.000754
1977,0.000773
1978,0.0007920000000000001
1979,0.000808
1980,0.000823
1981,0.0008359999999999999
1982,0.0008489999999999999
1983,0.000864
1984,0.000883
1985,0.000905
1986,0.000928
1987,0.000975
1988,0.0010400000000000001
1989,0.00113
1990,0.00117
1991,0.00157
1992,0.00195
1993,0.00438
1994,0.009380000000000001
1995,0.019600000000000003
1996,0.0332
1997,0.0441
1998,0.0541
1999,0.0638
2000,0.0726
2001,0.0813
2002,0.09040000000000001
2003,0.09820000000000001
2004,0.107
2005,0.116
2006,0.144
2007,0.166
2008,0.19
2009,0.203
2010,0.228
2011,0.231
2012,0.232
2013,0.246
2014,0.26
2015,0.273
2016,0.293
2017,0.287
2018,0.287