Number of infectious disease articles multiplied by the impact factor of the corresponding journal

	1995	1996	1997	1998	1999	2000	2001	2002	Total
USA	6527	7,155	6,737	7,912	8,136	9,106	9,447	8,784	63,804
Western Europe	4,114	5,241	4,773	5,729	6,403	7,647	7,787	7,338	49,033
Asia (excl. Japan)	400	417	557	783	779	917	993	1,081	5,927
Canada	446	467	440	537	596	674	639	711	4,510
Japan	294	455	496	385	515	663	632	673	4,113
Oceania	239	343	334	392	391	548	472	434	3,153
Central and	199	257	271	360	374	457	467	593	2,978
Latin America
Africa	198	189	303	337	478	433	532	443	2,913
Eastern Europe	78	93	117	117	168	237	232	283	1,325
Total	12,495	14,617	14,028	16,552	17,840	20,682	21,201	20,341	137,756