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Yearly Citation Totals from 2013 MEDLINE/PubMed Baseline: 21,508,439 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
546
1874
427
1875
441
1876
451
1877
395
1878
485
1879
504
1880
784
1881
922
1882
479
1883
1141
1884
1345
1885
1427
1886
1463
1887
1418
1888
1167
1889
1506
1890
1041
1891
894
1892
1367
1893
1642
1894
1125
1895
1491
1896
1794
1897
1791
1898
1773
1899
1475
1900
1418
1901
1628
1902
1725
1903
1945
1904
1899
1905
2115
1906
2069
1907
2058
1908
2694
1909
2956
1910
3014
1911
3333
1912
3312
1913
3535
1914
3531
1915
3325
1916
3134
1917
2890
1918
2856
1919
3089
1920
3297
1921
3329
1922
3472
1923
3761
1924
4160
1925
4393
1926
4693
1927
5298
1928
4922
1929
5010
1930
4905
1931
4828
1932
5013
1933
5020
1934
4988
1935
5090
1936
4824
1937
4797
1938
5249
1939
5046
1940
4520
1941
4331
1942
4259
1943
4184
1944
4374
1945
20190
1946
53788
1947
64741
1948
70458
1949
61567
1950
82264
1951
102081
1952
107427
1953
107980
1954
105134
1955
108032
1956
106501
1957
111041
1958
108888
1959
109405
1960
111518
1961
119531
1962
125325
1963
141051
1964
161477
1965
176601
1966
179505
1967
191454
1968
207405
1969
214347
1970
218077
1971
222366
1972
226418
1973
230429
1974
234205
1975
247838
1976
253594
1977
260444
1978
270737
1979
279778
1980
278226
1981
280793
1982
292479
1983
306379
1984
314941
1985
324983
1986
338475
1987
355852
1988
373810
1989
389392
1990
396536
1991
397471
1992
401624
1993
407767
1994
418258
1995
428077
1996
432429
1997
444672
1998
458626
1999
472274
2000
499074
2001
529911
2002
550388
2003
577415
2004
613006
2005
649501
2006
677167
2007
700524
2008
736837
2009
764441
2010
793461
2011
825639
2012
480631
2013
34