year,IPC2
1850,0.0022
1851,0.0022
1852,0.0022
1853,0.0022
1854,0.0022
1855,0.0022
1856,0.0022
1857,0.0022
1858,0.0022
1859,0.0022
1860,0.0022
1861,0.0022
1862,0.0022
1863,0.0022
1864,0.0022
1865,0.0022
1866,0.0022
1867,0.0022
1868,0.0022
1869,0.0022
1870,0.0022
1871,0.0022
1872,0.0022
1873,0.0022
1874,0.0022
1875,0.0022
1876,0.0022
1877,0.0022
1878,0.0022
1879,0.0022
1880,0.0022
1881,0.0022
1882,0.0022
1883,0.0022
1884,0.0022
1885,0.0022
1886,0.0022
1887,0.0022
1888,0.0022
1889,0.0022
1890,0.0022
1891,0.00252
1892,0.0033900000000000002
1893,0.004719999999999999
1894,0.00638
1895,0.00828
1896,0.0103
1897,0.0123
1898,0.0143
1899,0.016
1900,0.0174
1901,0.018600000000000002
1902,0.019600000000000003
1903,0.0206
1904,0.0215
1905,0.0224
1906,0.0233
1907,0.024300000000000002
1908,0.0253
1909,0.0264
1910,0.027600000000000003
1911,0.0289
1912,0.0303
1913,0.0318
1914,0.0334
1915,0.035
1916,0.0368
1917,0.0386
1918,0.0405
1919,0.0425
1920,0.0446
1921,0.0541
1922,0.0767
1923,0.11
1924,0.151
1925,0.197
1926,0.247
1927,0.297
1928,0.345
1929,0.388
1930,0.424
1931,0.455
1932,0.485
1933,0.513
1934,0.541
1935,0.568
1936,0.595
1937,0.623
1938,0.65
1939,0.678
1940,0.707
1941,0.737
1942,0.767
1943,0.799
1944,0.833
1945,0.868
1946,0.905
1947,0.945
1948,0.987
1949,1.03
1950,1.08
1951,1.13
1952,1.19
1953,1.25
1954,1.31
1955,1.38
1956,1.45
1957,1.53
1958,1.61
1959,1.69
1960,1.77
1961,1.85
1962,1.95
1963,2.06
1964,2.18
1965,2.29
1966,2.41
1967,2.52
1968,2.61
1969,3.05
1970,2.67
1971,3.96
1972,4.34
1973,4.28
1974,4.17
1975,4.8
1976,5.47
1977,5.72
1978,6.09
1979,6.58
1980,6.64
1981,6.34
1982,6.76
1983,7.75
1984,8.05
1985,9.01
1986,8.82
1987,9.95
1988,10.7
1989,11.6
1990,12.1
1991,12.3
1992,12.7
1993,12.7
1994,12.6
1995,13.9
1996,13.5
1997,14.3
1998,14.9
1999,14.9
2000,14.6
2001,13.6
2002,14.5
2003,16.8
2004,18.0
2005,17.8
2006,19.4
2007,21.3
2008,21.8
2009,17.8
2010,16.0
2011,16.0
2012,19.5
2013,20.4
2014,20.5
2015,18.2
2016,20.2
2017,20.5
2018,20.8