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
1921,0.048100000000000004
1922,0.179
1923,0.371
1924,0.605
1925,0.859
1926,1.11
1927,1.35
1928,1.54
1929,1.67
1930,1.72
1931,1.68
1932,1.57
1933,1.42
1934,1.23
1935,1.02
1936,0.818
1937,0.63
1938,0.474
1939,0.369
1940,0.33
1941,0.336
1942,0.355
1943,0.385
1944,0.423
1945,0.47
1946,0.522
1947,0.579
1948,0.638
1949,0.699
1950,0.759
1951,0.823
1952,0.895
1953,0.974
1954,1.06
1955,1.16
1956,1.26
1957,1.37
1958,1.49
1959,1.61
1960,1.75
1961,1.9
1962,2.08
1963,2.28
1964,2.51
1965,2.76
1966,3.04
1967,3.33
1968,3.64
1969,3.97
1970,4.6
1971,4.92
1972,5.08
1973,5.9
1974,6.53
1975,5.8
1976,6.92
1977,7.62
1978,8.27
1979,8.6
1980,9.06
1981,9.26
1982,8.63
1983,9.91
1984,10.3
1985,10.2
1986,10.8
1987,11.2
1988,12.9
1989,13.7
1990,11.4
1991,11.9
1992,12.3
1993,13.1
1994,14.0
1995,15.2
1996,16.2
1997,18.6
1998,16.3
1999,9.54
2000,8.38
2001,9.27
2002,9.74
2003,11.0
2004,10.3
2005,11.4
2006,12.2
2007,12.6
2008,13.0
2009,13.5
2010,14.3
2011,12.9
2012,13.4
2013,13.7
2014,13.9
2015,13.8
2016,13.2
2017,12.3
2018,11.5