year,IPC1,IPC2
1850,0.000283,5.4600000000000006e-05
1851,0.000298,5.75e-05
1852,0.000314,6.06e-05
1853,0.000332,6.39e-05
1854,0.00035,6.74e-05
1855,0.00036899999999999997,7.11e-05
1856,0.000389,7.5e-05
1857,0.00041,7.9e-05
1858,0.000432,8.319999999999999e-05
1859,0.00045400000000000003,8.76e-05
1860,0.000477,9.2e-05
1861,0.000501,9.66e-05
1862,0.000526,0.000101
1863,0.000553,0.000107
1864,0.00058,0.000112
1865,0.000609,0.00011700000000000001
1866,0.000639,0.000123
1867,0.000671,0.000129
1868,0.000703,0.000136
1869,0.000737,0.00014199999999999998
1870,0.000773,0.000149
1871,0.0008100000000000001,0.000156
1872,0.00085,0.000164
1873,0.000893,0.00017199999999999998
1874,0.000937,0.00018099999999999998
1875,0.000984,0.00019
1876,0.00103,0.000199
1877,0.00108,0.00020899999999999998
1878,0.00113,0.00021799999999999999
1879,0.0011799999999999998,0.000228
1880,0.00124,0.00023899999999999998
1881,0.0012900000000000001,0.000249
1882,0.00135,0.00026000000000000003
1883,0.00141,0.00027100000000000003
1884,0.00146,0.00028199999999999997
1885,0.0015300000000000001,0.000294
1886,0.00159,0.000306
1887,0.00165,0.000319
1888,0.00172,0.000332
1889,0.0017900000000000001,0.00034599999999999995
1890,0.00197,0.00034300000000000004
1891,0.00204,0.00034399999999999996
1892,0.00212,0.000345
1893,0.0022,0.00034599999999999995
1894,0.00229,0.000348
1895,0.00239,0.00034899999999999997
1896,0.00249,0.00035
1897,0.00259,0.000352
1898,0.0027,0.00035299999999999996
1899,0.00281,0.00035499999999999996
1900,0.0029300000000000003,0.000357
1901,0.0030600000000000002,0.000359
1902,0.0032,0.00035999999999999997
1903,0.0033599999999999997,0.00036199999999999996
1904,0.0035299999999999997,0.000365
1905,0.0037,0.000367
1906,0.00387,0.00036899999999999997
1907,0.00404,0.000372
1908,0.00419,0.000375
1909,0.00432,0.000377
1910,0.00443,0.000381
1911,0.00453,0.000384
1912,0.00463,0.000388
1913,0.004730000000000001,0.00039200000000000004
1914,0.0048200000000000005,0.000397
1915,0.00491,0.000402
1916,0.0049900000000000005,0.00040699999999999997
1917,0.00505,0.00041299999999999996
1918,0.0050999999999999995,0.000419
1919,0.00514,0.000425
1920,0.00515,0.000432
1921,0.00514,0.000439
1922,0.00512,0.000446
1923,0.00508,0.00045400000000000003
1924,0.00504,0.00046300000000000003
1925,0.0049900000000000005,0.00047299999999999995
1926,0.004940000000000001,0.000483
1927,0.004900000000000001,0.000494
1928,0.00487,0.000505
1929,0.00484,0.000517
1930,0.00483,0.00053
1931,0.004860000000000001,0.000545
1932,0.0049299999999999995,0.0005610000000000001
1933,0.00505,0.00058
1934,0.0052,0.0006
1935,0.00538,0.000621
1936,0.00558,0.000642
1937,0.00579,0.000665
1938,0.00601,0.000687
1939,0.00623,0.000709
1940,0.00645,0.000731
1941,0.00667,0.000751
1942,0.00691,0.000769
1943,0.00717,0.000787
1944,0.00745,0.000804
1945,0.00775,0.000823
1946,0.008060000000000001,0.000843
1947,0.008400000000000001,0.000865
1948,0.00875,0.0008900000000000001
1949,0.00911,0.0009180000000000001
1950,0.00949,0.0009509999999999999
1951,0.0099,0.000998
1952,0.0103,0.00106
1953,0.0108,0.00115
1954,0.0114,0.00124
1955,0.011,0.00134
1956,0.011,0.00145
1957,0.0147,0.00156
1958,0.0147,0.0016699999999999998
1959,0.0147,0.0017800000000000001
1960,0.0147,0.0018700000000000001
1961,0.0514,0.00197
1962,0.0517,0.0020800000000000003
1963,0.0557,0.0022
1964,0.0598,0.00232
1965,0.0676,0.0024300000000000003
1966,0.0681,0.00254
1967,0.07590000000000001,0.00263
1968,0.0799,0.00271
1969,0.135,0.00275
1970,0.139,0.0029
1971,0.168,0.0029
1972,0.176,0.0029
1973,0.179,0.0029
1974,0.198,0.0029
1975,0.198,0.0029
1976,0.117,0.0029
1977,0.187,0.0029
1978,0.113,0.0029
1979,0.128,0.0029
1980,0.161,0.0029
1981,0.161,0.0029500000000000004
1982,0.161,0.00292
1983,0.161,0.00304
1984,0.161,0.0033599999999999997
1985,0.164,0.00272
1986,0.165,0.00296
1987,0.165,0.00311
1988,0.187,0.00297
1989,0.231,0.0031
1990,0.238,0.00314
1991,0.238,0.00311
1992,0.238,0.00285
1993,0.238,0.0029100000000000003
1994,0.24,0.00436
1995,0.238,0.00398
1996,0.238,0.00408
1997,0.241,0.00481
1998,0.241,0.0038900000000000002
1999,0.247,0.00432
2000,0.253,0.004200000000000001
2001,0.256,0.00362
2002,0.25,0.00176
2003,0.254,0.00221
2004,0.254,0.0023
2005,0.262,0.00272
2006,0.266,0.00292
2007,0.262,0.00233
2008,0.254,0.0020099999999999996
2009,0.247,0.0028399999999999996
2010,0.254,0.0023
2011,0.254,0.00206
2012,0.254,0.00217
2013,0.257,0.00103
2014,0.261,0.000996
2015,0.278,0.0009519999999999999
2016,0.303,0.0006820000000000001
2017,0.311,0.000488
2018,0.442,0.00035