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
1921,0.0183
1922,0.0679
1923,0.141
1924,0.23
1925,0.327
1926,0.423
1927,0.512
1928,0.585
1929,0.635
1930,0.653
1931,0.639
1932,0.598
1933,0.539
1934,0.467
1935,0.389
1936,0.311
1937,0.239
1938,0.18
1939,0.14
1940,0.125
1941,0.128
1942,0.135
1943,0.146
1944,0.161
1945,0.179
1946,0.198
1947,0.22
1948,0.243
1949,0.266
1950,0.289
1951,0.313
1952,0.34
1953,0.37
1954,0.404
1955,0.44
1956,0.479
1957,0.521
1958,0.566
1959,0.614
1960,0.665
1961,0.722
1962,0.79
1963,0.867
1964,0.953
1965,1.05
1966,1.15
1967,1.26
1968,1.38
1969,1.5
1970,1.74
1971,1.86
1972,1.92
1973,2.23
1974,2.48
1975,2.2
1976,2.62
1977,2.89
1978,3.14
1979,3.26
1980,3.44
1981,3.51
1982,3.27
1983,3.76
1984,3.92
1985,3.89
1986,4.11
1987,4.25
1988,4.91
1989,5.19
1990,4.4
1991,5.12
1992,4.42
1993,2.94
1994,1.96
1995,1.9
1996,3.25
1997,4.06
1998,4.32
1999,5.42
2000,6.7
2001,8.13
2002,9.42
2003,10.8
2004,12.2
2005,13.5
2006,14.5
2007,15.5
2008,16.4
2009,16.6
2010,17.6
2011,18.6
2012,18.8
2013,18.8
2014,18.9
2015,19.1
2016,19.1
2017,17.8
2018,16.0