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
1921,0.0104
1922,0.0385
1923,0.08009999999999999
1924,0.13
1925,0.185
1926,0.24
1927,0.291
1928,0.332
1929,0.36
1930,0.371
1931,0.362
1932,0.339
1933,0.306
1934,0.265
1935,0.221
1936,0.177
1937,0.136
1938,0.102
1939,0.0795
1940,0.0711
1941,0.0726
1942,0.07659999999999999
1943,0.083
1944,0.09140000000000001
1945,0.101
1946,0.113
1947,0.125
1948,0.138
1949,0.151
1950,0.164
1951,0.178
1952,0.193
1953,0.21
1954,0.229
1955,0.249
1956,0.272
1957,0.295
1958,0.321
1959,0.348
1960,0.377
1961,0.41
1962,0.448
1963,0.492
1964,0.542
1965,0.596
1966,0.655
1967,0.718
1968,0.786
1969,0.857
1970,0.993
1971,1.06
1972,1.09
1973,1.27
1974,1.41
1975,1.25
1976,1.49
1977,1.64
1978,1.78
1979,1.85
1980,1.95
1981,1.99
1982,1.86
1983,2.13
1984,2.22
1985,2.2
1986,2.33
1987,2.4
1988,2.77
1989,2.93
1990,4.43
1991,3.45
1992,4.45
1993,5.0
1994,6.49
1995,6.04
1996,7.72
1997,8.38
1998,9.44
1999,5.02
2000,4.0
2001,1.78
2002,1.55
2003,1.56
2004,1.64
2005,1.5
2006,1.71
2007,1.84
2008,1.94
2009,2.03
2010,2.27
2011,2.11
2012,2.07
2013,1.76
2014,1.42
2015,1.57
2016,1.41
2017,1.37
2018,1.43