"date"
1851.20260095825
1851.63244353183
1851.96919917864
1851.97467488022
1852.31416837782
1852.34702258727
1852.35797399042
1852.38535249829
1852.97672826831
1853.19575633128
1853.22861054073
1853.3189596167
1853.49965776865
1854.13483915127
1856.39630390144
1856.50581793292
1856.53867214237
1856.61806981519
1857.13826146475
1857.4038329911
1857.58179329227
1858.09103353867
1858.15400410678
1858.40588637919
1858.94524298426
1860.12525667351
1860.16906228611
1860.59069130732
1860.8507871321
1860.91923340178
1860.97125256674
1861.18480492813
1861.73785078713
1861.83641341547
1862.13757700205
1862.8932238193
1862.9370294319
1863.17796030116
1863.79397672827
1863.93908281999
1863.98562628337
1865.45859000684
1865.97056810404
1866.0636550308
1866.3401779603
1866.45242984257
1866.83299110199
1866.94798083504
1866.95071868583
1867.63518138261
1867.85420944559
1867.86242299795
1868.74948665298
1868.90280629706
1868.98767967146
1869.25051334702
1869.44216290212
1869.55441478439
1869.8090349076
1869.87474332649
1870.12388774812
1870.51540041068
1870.55920602327
1870.63312799452
1871.02737850787
1871.15058179329
1871.16700889801
1871.73648186174
1871.81587953457
1872.12251882272
1872.24024640657
1872.76865160849
1873.13552361396
1874.28542094456
1874.54551676934
1874.88774811773
1874.98083504449
1875.32854209446
1875.92539356605
1875.93086926762
1875.93086926762
1876.96577686516
1877.0643394935
1877.1054072553
1877.19028062971
1877.77891854894
1877.8090349076
1878.18412046543
1878.19507186858
1878.23613963039
1878.43326488706
1878.69609856263
1879.03559206023
1879.17248459959
1879.50102669405
1880.05681040383
1880.53867214237
1880.68925393566
1880.94387405886
1881.1054072553
1881.96783025325
1882.12936344969
1882.29637234771
1882.29911019849
1882.33470225873
1882.85215605749
1883.79671457906
1883.8514715948
1884.07323750856
1884.85626283368
1885.16837782341
1885.46406570842
1885.9787816564
1886.6167008898
1886.69336071184
1886.75359342916
1886.92060232717
1887.13415468857
1887.4052019165
1888.2977412731
1889.05065023956
1889.19849418207
1889.79260780287
1890.10198494182
1890.18959616701
1891.25188227242
1891.66529774127
1892.65366187543
1893.50787132101
1894.47707049966
1895.31759069131
1896.07049965777
1896.28405201916
1896.33059548255
1899.62970568104
1901.39288158795
1902.67145790554
1905.05612594114
1905.18754277892
1905.52429842574
1906.77275838467
1908.13620807666
1908.27036276523
1908.62902121834
1909.1273100616
1909.82546201232
1910.35660506502
1910.96988364134
1912.51950718686
1913.78439425051
1914.40862422998
1916.61533196441
1918.03080082136
1922.52908966461
1922.67693360712
1923.56947296372
1927.16153319644
1928.11430527036
1930.15400410678
1930.74811772758
1931.07665982204
1931.8295687885
1931.88432580424
1932.06502395619
1932.86447638604
1932.87542778919
1933.88295687885
1934.7234770705
1935.64339493498
1935.69541409993
1936.5961670089
1937.49965776865
1938.35386721424
1939.82135523614
1940.21834360027
1940.42368240931
1941.42026009582
1941.52156057495
1941.5735797399
1942.0006844627
1942.12936344969
1942.48254620123
1946.94524298426
1947.02464065708
1947.61875427789
1947.6379192334
1947.68720054757
1951.4052019165
1957.88295687885
1960.4893908282
1962.21971252567