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
1921,0.136
1922,0.506
1923,1.05
1924,1.71
1925,2.43
1926,3.15
1927,3.82
1928,4.36
1929,4.73
1930,4.87
1931,4.76
1932,4.46
1933,4.02
1934,3.48
1935,2.9
1936,2.32
1937,1.78
1938,1.34
1939,1.04
1940,0.934
1941,0.953
1942,1.01
1943,1.09
1944,1.2
1945,1.33
1946,1.48
1947,1.64
1948,1.81
1949,1.98
1950,2.15
1951,2.33
1952,2.53
1953,2.76
1954,3.01
1955,3.27
1956,3.57
1957,3.88
1958,4.21
1959,4.57
1960,4.95
1961,5.38
1962,5.88
1963,6.46
1964,7.1
1965,7.8
1966,8.57
1967,9.4
1968,10.3
1969,11.2
1970,13.0
1971,13.9
1972,14.3
1973,16.6
1974,18.4
1975,16.4
1976,19.5
1977,21.5
1978,23.3
1979,24.3
1980,25.6
1981,26.2
1982,24.4
1983,28.0
1984,29.2
1985,28.9
1986,30.6
1987,31.7
1988,36.6
1989,38.8
1990,37.1
1991,35.9
1992,34.8
1993,35.9
1994,44.7
1995,51.7
1996,63.5
1997,72.8
1998,91.9
1999,110.0
2000,130.0
2001,141.0
2002,160.0
2003,172.0
2004,196.0
2005,216.0
2006,241.0
2007,262.0
2008,280.0
2009,311.0
2010,352.0
2011,359.0
2012,356.0
2013,356.0
2014,367.0
2015,374.0
2016,371.0
2017,374.0
2018,371.0