Number of collected amlodipine and captopril drug samples as a function of country and place of purchase (ie, licensed or unlicensed)
| Amlodipine | Captopril | |||||
| Licensed | Unlicensed | Total | Licensed | Unlicensed | Total | |
| Benin | 20 | 30 | 50 | 20 | 30 | 50 |
| Burkina Faso | 10 | NA | 10 | 20 | NA | 20 |
| Congo-Brassaville | NA | 30 | 30 | 10 | 10 | 20 |
| Côte d'Ivoire | 30 | 45 | 75 | 30 | 15 | 45 |
| DRC | 20 | NA | 20 | 10 | NA | 10 |
| Guinea | NA | 10 | 10 | NA | 10 | 10 |
| Mauritania | 20 | 20 | 40 | 30 | NA | 30 |
| Niger | 30 | NA | 30 | NA | 10 | 10 |
| Senegal | NA | 20 | 20 | NA | 20 | 20 |
| Togo | 20 | NA | 20 | 20 | NA | 20 |
| Total | 150 | 155 | 305 | 140 | 95 | 235 |
DRC, Democratic Republic of the Congo; NA, not applicable.