Table 2 Number of articles indexed by PubMed from different Africa subregions for the period of 1996 to 2005
From: Geography of Africa biomedical publications: An analysis of 1996–2005 PubMed papers
Number of articles [% percentage within calendar year] (% share of world research output) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Subregions | 1996 – 2005 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 |
Eastern Africa | 6810 | 662 | 581 | 486 | 588 | 631 | 719 | 742 | 772 | 782 | 847 |
[18.2] (0.13) | [27.1] (0.15) | [20.5] (0.13) | [16.6] (0.11) | [18.7] (0.12) | [17.9] (0.12) | [18.1] (0.13) | [18.0] (0.13) | [17.4] (0.13) | [16.6] (0.12) | [15.6] (0.12) | |
Middle Africa | 1094 | 46 | 71 | 81 | 80 | 88 | 103 | 126 | 145 | 164 | 190 |
[2.9] (0.02) | [1.9] (0.01) | [2.5] (0.02) | [2.8] (0.02) | [2.6] (0.02) | [2.5] (0.02) | [2.6] (0.02) | [3.1] (0.02) | [3.3] (0.02) | [3.5] (0.02) | [3.5] (0.03) | |
Northern Africa | 9248 | 534 | 529 | 620 | 735 | 804 | 1017 | 1005 | 1230 | 1284 | 1490 |
[24.7] (0.17) | [21.9] (0.12) | [18.6] (0.12) | [21.6] (0.13) | [23.4] (0.15) | [22.8] (0.15) | [25.5] (0.19) | [24.4] (0.19) | [27.8] (0.18) | [27.3] (0.21) | [27.5] (0.22) | |
Southern Africa | 11493 | 840 | 923 | 963 | 961 | 1186 | 1241 | 1205 | 1268 | 1334 | 1313 |
[30.7] (0.22) | [34.4] (0.19) | [32.5] (0.21) | [33.6] (0.21) | [30.6] (0.21) | [33.6] (0.20) | [31.2] (0.23) | [29.2] (0.23) | [28.6] (0.22) | [28.4] (0.22) | [29.1] (0.23) | |
Western Africa | 8822 | 360 | 735 | 718 | 777 | 821 | 903 | 1049 | 1011 | 1135 | 1313 |
[23.6] (0.17) | [14.7] (0.08) | [25.9] (0.17) | [25.0] (0.16) | [24.7] (0.16) | [23.3] (0.16) | [22.7] (0.17) | [25.4] (0.19) | [22.8] (0.19) | [24.2] (0.17) | [24.3] (0.19 | |
All | 37467 | 2442 | 2839 | 2868 | 3141 | 3530 | 3983 | 4127 | 4426 | 4699 | 5412 |
[100.0] (0.70) | [100.0] (0.55) | [100.0] (0.64) | [100.0] (0.62) | [100.0] (0.65) | [100.0] (0.68) | [100.0] (0.74) | [100.0] (0.74) | [100.0] (0.76) | [100.0] (0.75) | [100.0] (0.79) | |