| NO. | COUNTRY | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 |
| 1 | ETHIOPIA | 1.7 | 1.8 | 1.9 | 2.4 | 2.6 | 2.6 | 2.6 | 2.8 |
| 2 | EGYPT | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 3 | GHANA | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 |
| 4 | KENYA | 2 | 2 | 2.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| 5 | LESOTHO | 1 | 1 | 1.5 | 1.5 | 1.5 | 2.5 | 2.5 | 4.5 |
| 6 | LIBYA | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 7 | MALAWI | 0.5 | 0.5 | 0.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| 8 | MAURITIUS | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |
| 9 | NAMIBIA | 4 | 4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| 10 | NIGERIA | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 5 |
| 11 | RWANDA | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| 12 | SOUTH AFRICA | 4 | 4 | 5 | 9 | 9 | 9 | 9 | 9 |
| 13 | SUDAN | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 |
| 14 | SIERRA LEONE | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
| 15 | TUNISIA | 2.5 | 2.5 | 2.5 | 2.5 | 4 | 4 | 4 | 4 |
| 16 | UGANDA | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| 17 | ZAMBIA | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |