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Table 4 Research output of different world areas, published in journals included in the category of "Infectious Diseases" of the Institute for Scientific Information (ISI), adjusted for population and gross national income per capita (GNIPC).

From: Worldwide trends in quantity and quality of published articles in the field of infectious diseases

  Number of publications multiplied by the impact factor per million of population divided by the GNIPC (in 10,000 1995 US dollars per capita)
WORLD AREAS 1995 1996 1997 1998 1999 2000 2001 2002 Average
USA 8.8 9.4 8.4 9.5 9.4 10.1 10.5 9.6 9.5
Canada 7.7 7.9 7.1 8.4 8.8 9.5 8.9 9.6 8.5
Oceania 5.3 7.4 6.9 7.8 7.4 10.2 8.5 7.6 7.6
Africa 4.2 3.8 6.0 6.4 8.8 7.7 9.1 7.4 6.7
Western Europe 4.5 5.7 5.0 5.9 6.4 7.4 7.4 6.9 6.2
Asia (excluding Japan) 1.4 1.3 1.7 2.3 2.2 2.5 2.6 2.7 2.1
Latin America & the Caribbean 1.2 1.5 1.5 1.9 2.0 2.4 2.4 3.1 2.0
Eastern Europe 0.8 0.9 1.2 1.2 1.6 2.1 2.0 2.4 1.5
Japan 0.6 0.8 0.9 0.7 0.9 1.2 1.1 1.2 0.9