year,IPC1,IPC2
1850,0.00109,1.87e-05
1851,0.00114,1.9699999999999998e-05
1852,0.0012,2.0799999999999997e-05
1853,0.00127,2.19e-05
1854,0.00134,2.31e-05
1855,0.00141,2.44e-05
1856,0.00149,2.57e-05
1857,0.00157,2.7099999999999998e-05
1858,0.00165,2.85e-05
1859,0.00174,2.9999999999999997e-05
1860,0.00183,3.15e-05
1861,0.0019199999999999998,3.31e-05
1862,0.00202,3.48e-05
1863,0.00212,3.65e-05
1864,0.00222,3.84e-05
1865,0.00233,4.0300000000000004e-05
1866,0.0024500000000000004,4.22e-05
1867,0.00257,4.43e-05
1868,0.00269,4.65e-05
1869,0.00283,4.87e-05
1870,0.00296,5.11e-05
1871,0.0031,5.35e-05
1872,0.00326,5.62e-05
1873,0.00342,5.9e-05
1874,0.00359,6.19e-05
1875,0.00377,6.500000000000001e-05
1876,0.00395,6.819999999999999e-05
1877,0.00414,7.149999999999999e-05
1878,0.00434,7.489999999999999e-05
1879,0.00454,7.829999999999999e-05
1880,0.00474,8.18e-05
1881,0.00495,8.54e-05
1882,0.0051600000000000005,8.91e-05
1883,0.00538,9.29e-05
1884,0.00561,9.68e-05
1885,0.005849999999999999,0.000101
1886,0.00609,0.00010499999999999999
1887,0.00634,0.00010899999999999999
1888,0.0066,0.000114
1889,0.00687,0.00011899999999999999
1890,0.00751,0.00011700000000000001
1891,0.0077800000000000005,0.00011700000000000001
1892,0.00808,0.00011700000000000001
1893,0.00839,0.00011700000000000001
1894,0.00873,0.00011700000000000001
1895,0.009089999999999999,0.00011700000000000001
1896,0.009460000000000001,0.00011700000000000001
1897,0.00985,0.00011700000000000001
1898,0.0103,0.00011700000000000001
1899,0.0107,0.00011700000000000001
1900,0.0111,0.00011700000000000001
1901,0.0116,0.00011700000000000001
1902,0.0121,0.00011700000000000001
1903,0.0127,0.00011700000000000001
1904,0.0134,0.00011700000000000001
1905,0.014,0.00011700000000000001
1906,0.0147,0.00011700000000000001
1907,0.015300000000000001,0.00011700000000000001
1908,0.0158,0.00011700000000000001
1909,0.016300000000000002,0.00011700000000000001
1910,0.0167,0.00011700000000000001
1911,0.017,0.00011999999999999999
1912,0.0173,0.000128
1913,0.0176,0.00014000000000000001
1914,0.0178,0.000155
1915,0.018,0.000174
1916,0.0182,0.000194
1917,0.0185,0.000217
1918,0.018699999999999998,0.00023999999999999998
1919,0.0189,0.000264
1920,0.0192,0.00028799999999999995
1921,0.0195,0.000313
1922,0.0198,0.00034100000000000005
1923,0.0201,0.000372
1924,0.020399999999999998,0.00040500000000000003
1925,0.0207,0.000442
1926,0.021,0.000481
1927,0.0214,0.000522
1928,0.0218,0.000566
1929,0.0222,0.0006129999999999999
1930,0.0228,0.000661
1931,0.023399999999999997,0.000712
1932,0.024300000000000002,0.0007650000000000001
1933,0.0253,0.0008209999999999999
1934,0.026600000000000002,0.000882
1935,0.027899999999999998,0.000948
1936,0.0293,0.00102
1937,0.0308,0.0011
1938,0.032299999999999995,0.0012
1939,0.0338,0.0013
1940,0.0353,0.00141
1941,0.0368,0.00156
1942,0.038299999999999994,0.00177
1943,0.0399,0.00202
1944,0.0415,0.00231
1945,0.0432,0.00263
1946,0.045,0.00298
1947,0.0469,0.0033399999999999997
1948,0.049,0.00372
1949,0.0482,0.00409
1950,0.047700000000000006,0.0044599999999999996
1951,0.044,0.00483
1952,0.055,0.0052
1953,0.0587,0.0055899999999999995
1954,0.103,0.0059900000000000005
1955,0.0587,0.00641
1956,0.047700000000000006,0.006860000000000001
1957,0.0843,0.00733
1958,0.161,0.00783
1959,0.143,0.00836
1960,0.165,0.00893
1961,0.161,0.00954
1962,0.253,0.010199999999999999
1963,0.356,0.0108
1964,0.484,0.0116
1965,0.557,0.0124
1966,0.612,0.0132
1967,0.612,0.014199999999999999
1968,0.858,0.0407
1969,1.24,0.052700000000000004
1970,1.41,0.0582
1971,1.48,0.0584
1972,1.46,0.0596
1973,1.44,0.0601
1974,1.68,0.0605
1975,1.44,0.0597
1976,1.43,0.0644
1977,1.42,0.0643
1978,1.44,0.0765
1979,1.88,0.0808
1980,1.99,0.0626
1981,1.9,0.055299999999999995
1982,0.561,0.0531
1983,0.667,0.055299999999999995
1984,0.66,0.0507
1985,0.675,0.0567
1986,0.682,0.0559
1987,0.715,0.0608
1988,0.766,0.061799999999999994
1989,0.623,0.053200000000000004
1990,0.447,0.035
1991,0.279,0.0253
1992,0.279,0.0157
1993,0.312,0.0155
1994,0.312,0.0156
1995,0.323,0.016
1996,0.33,0.02
1997,0.345,0.018
1998,0.371,0.0183
1999,0.385,0.0224
2000,0.385,0.046799999999999994
2001,0.459,0.0442
2002,0.463,0.0384
2003,0.511,0.027
2004,0.559,0.0649
2005,0.654,0.0765
2006,0.673,0.07909999999999999
2007,0.592,0.0788
2008,0.519,0.055600000000000004
2009,0.482,0.047200000000000006
2010,0.757,0.047200000000000006
2011,0.852,0.0499
2012,0.966,0.0668
2013,0.863,0.09390000000000001
2014,0.781,0.133
2015,0.985,0.134
2016,1.02,0.112
2017,1.11,0.113
2018,1.17,0.113