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Yearly Citation Totals from 2017 MEDLINE/PubMed Baseline: 26,759,399 Citations Found

Year Number of Citations
1809 22
1811 33
1812 24
1813 27
1814 29
1815 29
1816 43
1817 25
1818 33
1819 31
1821 35
1823 51
1827 46
1828 14
1829 14
1831 21
1832 17
1833 13
1835 21
1837 18
1838 25
1839 24
1840 146
1841 526
1842 662
1843 564
1844 339
1845 280
1846 279
1847 241
1848 245
1849 211
1850 215
1851 233
1852 237
1853 230
1854 140
1855 178
1856 249
1857 257
1858 235
1859 223
1860 169
1861 202
1862 191
1863 169
1864 159
1865 134
1866 144
1867 366
1868 513
1869 423
1870 428
1871 489
1872 494
1873 568
1874 457
1875 459
1876 451
1877 395
1878 511
1879 504
1880 819
1881 945
1882 506
1883 1166
1884 1345
1885 1466
1886 1497
1887 1468
1888 1253
1889 1590
1890 1093
1891 976
1892 1449
1893 1694
1894 1214
1895 1578
1896 1858
1897 1945
1898 1918
1899 1584
1900 1588
1901 1769
1902 1777
1903 2002
1904 1952
1905 2168
1906 2121
1907 2110
1908 2746
1909 3009
1910 3066
1911 3385
1912 3364
1913 3587
1914 3583
1915 3378
1916 3186
1917 2943
1918 2909
1919 3141
1920 3350
1921 3381
1922 3524
1923 3813
1924 4212
1925 4445
1926 4746
1927 5347
1928 4974
1929 5062
1930 4956
1931 4880
1932 5066
1933 5072
1934 5040
1935 5142
1936 4876
1937 4850
1938 5301
1939 5098
1940 4572
1941 4383
1942 4311
1943 4237
1944 4446
1945 20232
1946 53822
1947 64785
1948 70459
1949 62520
1950 85580
1951 103643
1952 107961
1953 108699
1954 105649
1955 108492
1956 106996
1957 111473
1958 109454
1959 109972
1960 112117
1961 120047
1962 125566
1963 141297
1964 161909
1965 176545
1966 179961
1967 191818
1968 207825
1969 215006
1970 219124
1971 223225
1972 227500
1973 230826
1974 234712
1975 248661
1976 254532
1977 261498
1978 271889
1979 281103
1980 279692
1981 282678
1982 294559
1983 308603
1984 317381
1985 334417
1986 348542
1987 366829
1988 386096
1989 401475
1990 409532
1991 411905
1992 416549
1993 425646
1994 437389
1995 449026
1996 458840
1997 456708
1998 474310
1999 494110
2000 530978
2001 544190
2002 558416
2003 584766
2004 619698
2005 660091
2006 688444
2007 709674
2008 753991
2009 782727
2010 822120
2011 874777
2012 935777
2013 992142
2014 1039912
2015 1088921
2016 1178360
2017 15487