| 2000 | 2012 | |
|---|---|---|
| Angola | 10,0 | 17,0 |
| Congo | 14,0 | 19,0 |
| Irã | 51,0 | 60,0 |
| Kuweit | 68,0 | 62,0 |
| Emirados Árabes | 61,0 | 56,0 |
| Arábia Saudita | 54,0 | 66,0 |
| Equador | 44,0 | 51,0 |
| Catar | 57,0 | 59,0 |
| Líbia | 60,0 | 63,0 |
| Gabão | 18,0 | 23,0 |
| Venezuela (República Bolivariana da) | 48,0 | 49,0 |
| Nigéria | 12,0 | 16,0 |
| Guiné-Equatorial | 17,0 | 21,0 |
| Iraque | 37,0 | 42,0 |
| Algéria | 52,0 | 63,0 |