year,IPC1,IPC2,IPC4,IPCMAG
1850,0.000374,0.0,0.00040699999999999997,4.36e-05
1851,0.00039400000000000004,0.0,0.000406,4.8599999999999995e-05
1852,0.000414,0.0,0.00040500000000000003,5.35e-05
1853,0.00043599999999999997,0.0,0.000404,5.83e-05
1854,0.00046,0.0,0.00040300000000000004,6.31e-05
1855,0.000484,0.0,0.000402,6.769999999999999e-05
1856,0.00051,0.0,0.00040100000000000004,7.22e-05
1857,0.000537,0.0,0.0004,7.670000000000001e-05
1858,0.0005639999999999999,0.0,0.0004,8.1e-05
1859,0.000593,0.0,0.000399,8.52e-05
1860,0.000622,0.0,0.000399,8.93e-05
1861,0.000653,0.0,0.000399,9.34e-05
1862,0.0006850000000000001,0.0,0.000399,9.73e-05
1863,0.000719,0.0,0.000399,0.000101
1864,0.000754,0.0,0.000398,0.00010499999999999999
1865,0.000791,0.0,0.000398,0.00010899999999999999
1866,0.000829,0.0,0.000398,0.000112
1867,0.000869,0.0,0.000398,0.000116
1868,0.00091,0.0,0.000398,0.00011899999999999999
1869,0.000954,0.0,0.000398,0.000122
1870,0.000999,0.0,0.000398,0.000125
1871,0.0010500000000000002,0.0,0.000399,0.000129
1872,0.0011,0.0,0.0004,0.000132
1873,0.00115,0.0,0.00040100000000000004,0.000135
1874,0.00121,0.0,0.000404,0.00013800000000000002
1875,0.00127,0.0,0.000406,0.00014199999999999998
1876,0.00133,0.0,0.00040899999999999997,0.000145
1877,0.00139,0.0,0.000412,0.000148
1878,0.00146,0.0,0.000414,0.00015099999999999998
1879,0.0015300000000000001,0.0,0.000417,0.000153
1880,0.00159,0.0,0.000419,0.000156
1881,0.00166,0.0,0.000421,0.000158
1882,0.00173,0.0,0.000423,0.00016
1883,0.00181,0.0,0.000426,0.000162
1884,0.00188,0.0,0.000428,0.000164
1885,0.00196,0.0,0.000431,0.000166
1886,0.00204,0.0,0.000434,0.00016800000000000002
1887,0.00212,0.0,0.000437,0.00016900000000000002
1888,0.00221,0.0,0.000439,0.000171
1889,0.0023,0.0,0.000442,0.00017199999999999998
1890,0.00252,0.0,0.00046300000000000003,0.000187
1891,0.00261,0.0,0.000477,0.000179
1892,0.00271,0.0,0.000491,0.00017199999999999998
1893,0.00282,0.0,0.000505,0.000166
1894,0.00294,0.0,0.0005200000000000001,0.000161
1895,0.0030600000000000002,0.0,0.000536,0.000157
1896,0.00318,0.0,0.0005510000000000001,0.000154
1897,0.00332,0.0,0.0005679999999999999,0.000152
1898,0.00346,0.0,0.000584,0.00015
1899,0.0036,0.0,0.000601,0.000149
1900,0.00375,0.0,0.000618,0.000149
1901,0.00391,0.0,0.0006360000000000001,0.00015
1902,0.0040999999999999995,0.0,0.000655,0.000154
1903,0.0043,0.0,0.000674,0.00015900000000000002
1904,0.00452,0.0,0.0006929999999999999,0.000165
1905,0.00474,0.0,0.000713,0.00017299999999999998
1906,0.00495,0.0,0.000734,0.00017999999999999998
1907,0.0051600000000000005,0.0,0.000755,0.000188
1908,0.00535,0.0,0.000776,0.000195
1909,0.00552,0.0,0.000798,0.000201
1910,0.00566,0.0,0.00082,0.000206
1911,0.00579,0.0,0.000843,0.00020999999999999998
1912,0.00592,0.0,0.000866,0.000214
1913,0.00604,0.0,0.0008900000000000001,0.00021799999999999999
1914,0.0061600000000000005,0.0,0.000914,0.000221
1915,0.0062699999999999995,0.0,0.0009379999999999999,0.000225
1916,0.00637,0.0,0.000964,0.000228
1917,0.00646,0.0,0.000989,0.000231
1918,0.00652,0.0,0.00102,0.00023400000000000002
1919,0.00656,0.0,0.0010400000000000001,0.000236
1920,0.00658,0.0,0.00107,0.00023899999999999998
1921,0.00657,0.0,0.0011,0.000241
1922,0.00654,0.0,0.00113,0.000243
1923,0.00649,0.0,0.00116,0.000245
1924,0.00644,0.0,0.0011899999999999999,0.000247
1925,0.00638,0.0,0.00122,0.000249
1926,0.00632,0.0,0.00125,0.000251
1927,0.0062699999999999995,0.0,0.00128,0.000253
1928,0.00622,0.0,0.00132,0.000254
1929,0.00619,0.0,0.00135,0.000256
1930,0.00618,0.0,0.00138,0.000257
1931,0.00622,1.16e-07,0.0014199999999999998,0.000258
1932,0.00631,4.3800000000000003e-07,0.00145,0.000258
1933,0.00646,9.31e-07,0.00149,0.000259
1934,0.0066500000000000005,1.5599999999999999e-06,0.00152,0.000259
1935,0.00688,2.2799999999999998e-06,0.00156,0.00026000000000000003
1936,0.00713,3.07e-06,0.0016,0.00026000000000000003
1937,0.0074,3.87e-06,0.00163,0.000261
1938,0.007679999999999999,4.669999999999999e-06,0.0016699999999999998,0.000262
1939,0.00796,5.420000000000001e-06,0.00171,0.000262
1940,0.00824,6.08e-06,0.00175,0.000263
1941,0.00852,6.72e-06,0.0017900000000000001,0.000265
1942,0.00883,7.42e-06,0.00183,0.00026700000000000004
1943,0.00916,8.14e-06,0.0018700000000000001,0.00027100000000000003
1944,0.009519999999999999,8.87e-06,0.00191,0.00027400000000000005
1945,0.0099,9.58e-06,0.00195,0.00027800000000000004
1946,0.0103,1.03e-05,0.00199,0.000283
1947,0.0107,1.09e-05,0.00204,0.000287
1948,0.0112,1.1400000000000001e-05,0.0020800000000000003,0.000292
1949,0.0116,1.1900000000000001e-05,0.00213,0.000297
1950,0.0121,1.22e-05,0.00219,0.000301
1951,0.0126,1.24e-05,0.0022400000000000002,0.000306
1952,0.0132,1.25e-05,0.00231,0.000312
1953,0.013800000000000002,1.2699999999999999e-05,0.0023799999999999997,0.000319
1954,0.0145,1.2800000000000001e-05,0.00246,0.000326
1955,0.0152,1.29e-05,0.0025299999999999997,0.00033400000000000004
1956,0.0159,1.3e-05,0.00262,0.00034300000000000004
1957,0.0167,1.31e-05,0.0027,0.000352
1958,0.0174,1.32e-05,0.00278,0.000361
1959,0.0181,1.34e-05,0.00287,0.00037
1960,0.0189,1.3700000000000001e-05,0.0029500000000000004,0.000379
1961,0.019600000000000003,1.47e-05,0.00304,0.000447
1962,0.020399999999999998,1.72e-05,0.00312,0.000457
1963,0.0213,2.06e-05,0.00321,0.000467
1964,0.0294,2.47e-05,0.0033,0.000475
1965,0.033100000000000004,2.91e-05,0.0033900000000000002,0.000497
1966,0.033100000000000004,3.34e-05,0.00349,0.000505
1967,0.047799999999999995,3.74e-05,0.0035800000000000003,0.000515
1968,0.047799999999999995,4.07e-05,0.00367,0.0005620000000000001
1969,0.06609999999999999,4.29e-05,0.00377,0.000612
1970,0.06609999999999999,3.93e-05,0.00323,0.000629
1971,0.0881,4.02e-05,0.00409,0.0006490000000000001
1972,0.07709999999999999,4.08e-05,0.00417,0.000687
1973,0.0845,4.1700000000000004e-05,0.00423,0.000754
1974,0.0991,4.23e-05,0.00431,0.0007920000000000001
1975,0.103,4.29e-05,0.00437,0.0008110000000000001
1976,0.103,4.35e-05,0.00444,0.000754
1977,0.114,4.38e-05,0.00449,0.000687
1978,0.114,4.44e-05,0.00456,0.000754
1979,0.114,4.4999999999999996e-05,0.00461,0.0007920000000000001
1980,0.125,4.53e-05,0.00467,0.000829
1981,0.125,4.62e-05,0.00474,0.0009360000000000001
1982,0.125,4.68e-05,0.0048200000000000005,0.0009739999999999999
1983,0.125,4.77e-05,0.00492,0.00101
1984,0.125,4.8599999999999995e-05,0.005,0.0009360000000000001
1985,0.125,4.9500000000000004e-05,0.00508,0.0009739999999999999
1986,0.161,5.07e-05,0.0052,0.00101
1987,0.158,5.19e-05,0.00532,0.0010500000000000002
1988,0.158,5.3e-05,0.00544,0.00109
1989,0.158,5.4199999999999996e-05,0.00557,0.00109
1990,0.125,5.54e-05,0.00571,0.00113
1991,0.125,5.66e-05,0.005809999999999999,0.0011899999999999999
1992,0.121,5.7799999999999995e-05,0.00591,0.00123
1993,0.114,5.9e-05,0.006019999999999999,0.00127
1994,0.11,5.99e-05,0.0061600000000000005,0.00127
1995,0.106,6.05e-05,0.00623,0.00127
1996,0.103,6.08e-05,0.00623,0.00127
1997,0.103,6.110000000000001e-05,0.00622,0.00127
1998,0.0992,6.08e-05,0.00622,0.00127
1999,0.09179999999999999,6.08e-05,0.00622,0.00127
2000,0.0844,6.08e-05,0.00623,0.00127
2001,0.0808,6.110000000000001e-05,0.00624,0.00127
2002,0.0772,6.110000000000001e-05,0.00626,0.00127
2003,0.06620000000000001,6.14e-05,0.0062699999999999995,0.00127
2004,0.06620000000000001,6.14e-05,0.0062900000000000005,0.00127
2005,0.0625,6.14e-05,0.00631,0.00127
2006,0.0441,6.110000000000001e-05,0.0063,0.00127
2007,0.0441,6.08e-05,0.0063,0.00131
2008,0.0441,6.02e-05,0.00628,0.00134
2009,0.0404,6.02e-05,0.00625,0.00134
2010,0.0442,6.08e-05,0.00621,0.00134
2011,0.0405,6.2e-05,0.00638,0.00134
2012,0.0405,6.35e-05,0.00653,0.00134
2013,0.0441,6.560000000000001e-05,0.006679999999999999,0.00134
2014,0.047799999999999995,6.7e-05,0.0068200000000000005,0.00134
2015,0.0509,6.819999999999999e-05,0.00696,0.00134
2016,0.0554,6.57e-05,0.006730000000000001,0.00135
2017,0.057,6.610000000000001e-05,0.00677,0.00136
2018,0.0809,6.65e-05,0.0068200000000000005,0.00136