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
1921,0.0116
1922,0.0429
1923,0.0891
1924,0.145
1925,0.206
1926,0.267
1927,0.323
1928,0.37
1929,0.401
1930,0.413
1931,0.403
1932,0.378
1933,0.341
1934,0.295
1935,0.246
1936,0.197
1937,0.151
1938,0.114
1939,0.0885
1940,0.0792
1941,0.0808
1942,0.0853
1943,0.09240000000000001
1944,0.102
1945,0.113
1946,0.125
1947,0.139
1948,0.153
1949,0.168
1950,0.182
1951,0.198
1952,0.215
1953,0.234
1954,0.255
1955,0.278
1956,0.302
1957,0.329
1958,0.357
1959,0.387
1960,0.42
1961,0.456
1962,0.499
1963,0.548
1964,0.603
1965,0.663
1966,0.729
1967,0.799
1968,0.875
1969,0.954
1970,1.17
1971,1.29
1972,1.36
1973,1.63
1974,1.86
1975,1.7
1976,2.08
1977,2.37
1978,2.65
1979,2.85
1980,3.11
1981,3.27
1982,3.15
1983,3.74
1984,4.03
1985,4.14
1986,4.54
1987,4.86
1988,5.83
1989,6.41
1990,6.14
1991,4.91
1992,5.07
1993,9.44
1994,15.3
1995,9.98
1996,11.7
1997,18.5
1998,15.8
1999,45.2
2000,36.8
2001,46.5
2002,61.8
2003,74.3
2004,102.0
2005,120.0
2006,138.0
2007,132.0
2008,138.0
2009,144.0
2010,150.0
2011,163.0
2012,174.0
2013,204.0
2014,234.0
2015,226.0
2016,238.0
2017,251.0
2018,263.0