| 2000 | 2012 | |
|---|---|---|
| Zimbabwe | 9.0 | 17.0 |
| Kenya | 11.0 | 18.0 |
| Sudan | 16.0 | 23.0 |
| Uganda | 10.0 | 18.0 |
| Eritrea | 11.0 | 26.0 |
| Ethiopia | 12.0 | 20.0 |
| Somalia | 11.0 | 12.0 |
| Malawi | 9.0 | 17.0 |
| Burundi | 12.0 | 19.0 |
| Madagascar | 18.0 | 26.0 |
| Tunisia | 62.0 | 71.0 |
| Comoros | 21.0 | 25.0 |
| Egypt | 59.0 | 72.0 |
| Djibouti | 20.0 | 25.0 |
| Eswatini | 15.0 | 17.0 |
| Rwanda | 12.0 | 24.0 |
| Libya | 60.0 | 63.0 |
| Zambia | 10.0 | 14.0 |
| Mauritius | 77.0 | 78.0 |
| Democratic Republic of the Congo | 11.0 | 15.0 |