Yearly Citation Totals from 2012 MEDLINE/PubMed Baseline: 20,494,848 Citations Found

1809	1811	1812	1813	1814	1815	1816	1817	1818	1819	1821	1823	1827	1828	1829	1831	1832	1833
22	33	24	27	29	29	43	25	33	31	35	51	46	14	14	21	17	13
1835	1837	1838	1839	1840	1841	1842	1843	1844	1845	1846	1847	1848	1849	1850	1851	1852	1853
21	18	25	24	146	526	662	564	339	280	279	241	245	211	215	233	237	230
1854	1855	1856	1857	1858	1859	1860	1861	1862	1863	1864	1865	1866	1867	1868	1869	1870	1871
140	178	249	257	235	223	169	202	191	169	159	134	144	366	513	423	428	489
1872	1873	1874	1875	1876	1877	1878	1879	1880	1881	1882	1883	1884	1885	1886	1887	1888	1889
494	546	427	441	451	395	485	504	784	922	479	1,141	1,345	1,427	1,463	1,418	1,167	1,506
1890	1891	1892	1893	1894	1895	1896	1897	1898	1899	1900	1901	1902	1903	1904	1905	1906	1907
1,041	894	1,367	1,642	1,125	1,491	1,794	1,791	1,773	1,475	1,418	1,628	1,725	1,945	1,899	2,115	2,069	2,058
1908	1909	1910	1911	1912	1913	1914	1915	1916	1917	1918	1919	1920	1921	1922	1923	1924	1925
2,699	2,958	3,017	3,333	3,312	3,535	3,531	3,325	3,134	2,890	2,856	3,089	3,297	3,329	3,472	3,761	4,160	4,393
1926	1927	1928	1929	1930	1931	1932	1933	1934	1935	1936	1937	1938	1939	1940	1941	1942	1943
4,693	5,298	4,922	5,010	4,905	4,828	5,009	4,998	4,953	5,065	4,801	4,775	5,230	5,023	4,500	4,307	4,259	4,184
1944	1945	1946	1947	1948	1949	1950	1951	1952	1953	1954	1955	1956	1957	1958	1959	1960	1961
4,367	20,220	54,077	65,457	71,095	61,958	82,277	102,097	107,417	108,001	105,136	108,035	106,505	111,040	108,890	109,529	111,632	119,823
1962	1963	1964	1965	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979
127,031	143,141	161,619	176,646	179,122	190,795	206,665	213,421	216,946	221,347	225,388	229,451	233,219	246,897	252,353	259,180	269,160	278,058
1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997
276,363	278,691	290,260	303,776	312,390	322,435	335,137	352,684	370,073	386,100	393,112	393,799	397,146	403,005	411,830	420,923	425,876	437,549
1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012
452,153	466,622	494,111	525,058	546,308	573,597	608,379	641,658	670,058	692,343	728,269	753,191	775,685	466,739	365