United States National Library of Medicine National Institutes of Health

Yearly Citation Totals from 2008 MEDLINE/PubMed Baseline: 16,880,015 Citations Found

1865	1866	1867	1868	1869	1870	1871	1872	1873	1874	1875	1876	1877	1878	1879	1880	1881	1882
3	11	36	95	58	69	62	38	47	39	29	58	46	80	122	75	55	57

1883	1884	1885	1886	1887	1888	1889	1890	1891	1892	1893	1894	1895	1896	1897	1898	1899	1900
72	101	182	170	212	152	160	205	171	157	251	231	232	277	243	254	241	196

1901	1902	1903	1904	1905	1906	1907	1908	1909	1910	1911	1912	1913	1914	1915	1916	1917	1918
242	283	304	297	273	335	335	336	325	286	337	345	392	348	540	574	532	470

1919	1920	1921	1922	1923	1924	1925	1926	1927	1928	1929	1930	1931	1932	1933	1934	1935	1936
490	547	520	544	606	725	782	854	908	970	853	899	1,019	1,073	1,161	1,138	1,264	1,218

1937	1938	1939	1940	1941	1942	1943	1944	1945	1946	1947	1948	1949	1950	1951	1952	1953	1954
1,213	1,306	1,238	1,143	1,080	1,022	993	951	939	1,020	1,016	1,291	16,150	81,236	101,369	106,572	107,452	104,066

1955	1956	1957	1958	1959	1960	1961	1962	1963	1964	1965	1966	1967	1968	1969	1970	1971	1972
106,896	105,291	109,981	107,728	108,165	109,408	117,658	124,839	140,481	159,310	173,913	175,015	186,910	203,984	210,986	214,097	218,807	222,600

1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990
226,545	230,223	244,361	249,305	255,909	265,638	274,357	272,508	274,493	285,528	299,286	308,194	318,451	330,918	348,624	366,212	382,100	389,045

1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008
389,864	392,905	399,352	408,416	418,242	423,994	434,615	449,205	462,020	490,626	519,896	542,504	568,939	601,557	627,549	641,604	434,237	55

Last updated: 17 December 2007
First published: 17 December 2007
Metadata| Permanence level: Permanent: Dynamic Content