year,IPC2
1850,0.001
1851,0.001
1852,0.001
1853,0.001
1854,0.001
1855,0.001
1856,0.001
1857,0.001
1858,0.001
1859,0.001
1860,0.001
1861,0.001
1862,0.001
1863,0.001
1864,0.001
1865,0.001
1866,0.001
1867,0.001
1868,0.001
1869,0.001
1870,0.001
1871,0.001
1872,0.001
1873,0.001
1874,0.001
1875,0.001
1876,0.001
1877,0.001
1878,0.001
1879,0.001
1880,0.001
1881,0.001
1882,0.001
1883,0.001
1884,0.001
1885,0.001
1886,0.001
1887,0.001
1888,0.001
1889,0.001
1890,0.001
1891,0.00115
1892,0.0015400000000000001
1893,0.00215
1894,0.0029
1895,0.00377
1896,0.004690000000000001
1897,0.00561
1898,0.00649
1899,0.00728
1900,0.00792
1901,0.00845
1902,0.00893
1903,0.00937
1904,0.009800000000000001
1905,0.010199999999999999
1906,0.0106
1907,0.0111
1908,0.0115
1909,0.012
1910,0.0126
1911,0.0132
1912,0.013800000000000002
1913,0.0145
1914,0.0152
1915,0.0159
1916,0.0167
1917,0.0176
1918,0.0184
1919,0.019399999999999997
1920,0.020300000000000002
1921,0.030100000000000002
1922,0.055299999999999995
1923,0.09240000000000001
1924,0.138
1925,0.188
1926,0.24
1927,0.289
1928,0.333
1929,0.368
1930,0.39
1931,0.399
1932,0.401
1933,0.396
1934,0.387
1935,0.376
1936,0.365
1937,0.355
1938,0.35
1939,0.351
1940,0.359
1941,0.374
1942,0.39
1943,0.409
1944,0.429
1945,0.451
1946,0.475
1947,0.5
1948,0.527
1949,0.555
1950,0.584
1951,0.616
1952,0.65
1953,0.688
1954,0.728
1955,0.771
1956,0.816
1957,0.864
1958,0.913
1959,0.964
1960,1.02
1961,1.07
1962,1.14
1963,1.21
1964,1.29
1965,1.38
1966,1.46
1967,1.54
1968,1.62
1969,1.72
1970,2.06
1971,2.03
1972,1.95
1973,2.38
1974,2.66
1975,2.44
1976,2.77
1977,3.36
1978,3.58
1979,3.69
1980,3.75
1981,3.85
1982,3.52
1983,3.35
1984,3.71
1985,3.72
1986,4.03
1987,4.07
1988,4.25
1989,4.34
1990,3.68
1991,3.58
1992,3.28
1993,3.48
1994,4.03
1995,4.32
1996,6.42
1997,6.4
1998,7.54
1999,8.67
2000,8.41
2001,9.62
2002,9.97
2003,9.73
2004,9.93
2005,10.2
2006,11.4
2007,12.3
2008,13.2
2009,14.3
2010,15.4
2011,16.5
2012,17.2
2013,18.0
2014,18.6
2015,19.4
2016,19.9
2017,20.4
2018,20.7