year,IPC1,IPC2
1850,0.000165,8.619999999999999e-06
1851,0.000174,9.07e-06
1852,0.000183,9.56e-06
1853,0.000193,1.01e-05
1854,0.000204,1.06e-05
1855,0.000215,1.12e-05
1856,0.00022700000000000002,1.18e-05
1857,0.00023899999999999998,1.25e-05
1858,0.000252,1.31e-05
1859,0.000265,1.38e-05
1860,0.00027800000000000004,1.45e-05
1861,0.000292,1.52e-05
1862,0.000307,1.6e-05
1863,0.000322,1.68e-05
1864,0.00033800000000000003,1.77e-05
1865,0.00035499999999999996,1.85e-05
1866,0.000373,1.94e-05
1867,0.000391,2.04e-05
1868,0.00041,2.14e-05
1869,0.00043,2.24e-05
1870,0.000451,2.35e-05
1871,0.000472,2.46e-05
1872,0.000496,2.59e-05
1873,0.0005200000000000001,2.7199999999999997e-05
1874,0.000546,2.85e-05
1875,0.000574,2.99e-05
1876,0.000602,3.14e-05
1877,0.000631,3.29e-05
1878,0.00066,3.4500000000000005e-05
1879,0.000691,3.5999999999999994e-05
1880,0.000722,3.7699999999999995e-05
1881,0.000753,3.93e-05
1882,0.000786,4.1e-05
1883,0.000819,4.27e-05
1884,0.0008539999999999999,4.45e-05
1885,0.0008900000000000001,4.6399999999999996e-05
1886,0.0009260000000000001,4.83e-05
1887,0.0009649999999999999,5.0299999999999996e-05
1888,0.001,5.24e-05
1889,0.0010500000000000002,5.4600000000000006e-05
1890,0.00115,5.4199999999999996e-05
1891,0.0011899999999999999,5.43e-05
1892,0.00123,5.4499999999999997e-05
1893,0.00128,5.4600000000000006e-05
1894,0.00134,5.4800000000000004e-05
1895,0.00139,5.5100000000000004e-05
1896,0.00145,5.53e-05
1897,0.00151,5.55e-05
1898,0.00157,5.58e-05
1899,0.00164,5.6e-05
1900,0.00171,5.63e-05
1901,0.0017800000000000001,5.66e-05
1902,0.0018700000000000001,5.69e-05
1903,0.00196,5.72e-05
1904,0.00206,5.75e-05
1905,0.00216,5.79e-05
1906,0.00226,5.83e-05
1907,0.00235,5.8700000000000004e-05
1908,0.00244,5.91e-05
1909,0.00252,5.96e-05
1910,0.0025800000000000003,6.0100000000000004e-05
1911,0.00264,6.06e-05
1912,0.0027,6.12e-05
1913,0.00276,6.19e-05
1914,0.00281,6.26e-05
1915,0.0028599999999999997,6.34e-05
1916,0.0029100000000000003,6.419999999999999e-05
1917,0.0029500000000000004,6.510000000000001e-05
1918,0.00298,6.610000000000001e-05
1919,0.00299,6.71e-05
1920,0.003,6.809999999999999e-05
1921,0.003,6.92e-05
1922,0.00298,7.04e-05
1923,0.00296,7.17e-05
1924,0.00294,7.31e-05
1925,0.0029100000000000003,7.46e-05
1926,0.0028799999999999997,7.620000000000001e-05
1927,0.0028599999999999997,7.79e-05
1928,0.0028399999999999996,7.97e-05
1929,0.00282,8.16e-05
1930,0.00282,8.36e-05
1931,0.00283,8.59e-05
1932,0.0028799999999999997,8.85e-05
1933,0.00294,9.14e-05
1934,0.0030299999999999997,9.460000000000001e-05
1935,0.00314,9.79e-05
1936,0.00325,0.000101
1937,0.00337,0.00010499999999999999
1938,0.0035,0.000108
1939,0.00363,0.000112
1940,0.00376,0.000115
1941,0.0038900000000000002,0.000118
1942,0.004030000000000001,0.000121
1943,0.00418,0.000124
1944,0.00434,0.000127
1945,0.00452,0.00013000000000000002
1946,0.0047,0.000133
1947,0.004900000000000001,0.000136
1948,0.0050999999999999995,0.00014000000000000001
1949,0.00531,0.000145
1950,0.0064,0.00015
1951,0.0064,0.000157
1952,0.0064,0.00016800000000000002
1953,0.0064,0.00018099999999999998
1954,0.0064,0.00019600000000000002
1955,0.0064,0.000212
1956,0.0064,0.000229
1957,0.0064,0.000247
1958,0.0064,0.000264
1959,0.0064,0.00028000000000000003
1960,0.0096,0.00029499999999999996
1961,0.0096,0.000311
1962,0.0096,0.00032900000000000003
1963,0.0096,0.000347
1964,0.0096,0.000366
1965,0.0096,0.000384
1966,0.0096,0.00040100000000000004
1967,0.0128,0.000415
1968,0.0128,0.00042699999999999997
1969,0.0096,0.000434
1970,0.0224,0.000464
1971,0.016,0.000464
1972,0.0192,0.00046600000000000005
1973,0.0224,0.000464
1974,0.0192,0.000457
1975,0.0288,0.00046300000000000003
1976,0.0256,0.000429
1977,0.0256,0.00043
1978,0.032,0.000479
1979,0.0352,0.00047799999999999996
1980,0.0352,0.00048699999999999997
1981,0.0416,0.00051
1982,0.0384,0.000524
1983,0.0416,0.0005
1984,0.0416,0.00048499999999999997
1985,0.0416,0.000435
1986,0.0416,0.00043
1987,0.048,0.000449
1988,0.0608,0.00047999999999999996
1989,0.0608,0.000474
1990,0.0673,0.000475
1991,0.0833,0.000482
1992,0.060899999999999996,0.000488
1993,0.0737,0.000488
1994,0.08009999999999999,0.000523
1995,0.0853,0.000553
1996,0.0708,0.0005769999999999999
1997,0.0927,0.000587
1998,0.0842,0.000587
1999,0.108,0.000588
2000,0.09509999999999999,0.000622
2001,0.0853,0.000585
2002,0.0975,0.000541
2003,0.109,0.000546
2004,0.1,0.0005909999999999999
2005,0.102,0.000602
2006,0.113,0.000605
2007,0.1,0.0006770000000000001
2008,0.107,0.00066
2009,0.117,0.000633
2010,0.104,0.000612
2011,0.0906,0.0006129999999999999
2012,0.0938,0.000611
2013,0.1,0.000527
2014,0.107,0.0005110000000000001
2015,0.114,0.000512
2016,0.124,0.000492
2017,0.127,0.000477
2018,0.181,0.000464