| 2005 | 2005 | |
|---|---|---|
| Houaphan | 6.4 | 6.4 |
| Xaisômboun | 6.4 | 6.4 |
| Xékong | 5.9 | 5.9 |
| Xiangkhoang | 5.9 | 5.9 |
| Oudômxai | 5.8 | 5.8 |
| Salavan | 5.5 | 5.5 |
| Louangphabang | 5.3 | 5.3 |
| Attapu | 5.2 | 5.2 |
| Bolikhamxai | 5.2 | 5.2 |
| Phôngsali | 5.1 | 5.1 |
| Khammouan | 5.0 | 5.0 |
| Louang Namtha | 4.8 | 4.8 |
| Bokèo | 4.7 | 4.7 |
| Savannakhét | 4.4 | 4.4 |
| Vientiane | 4.4 | 4.4 |
| Champasak | 4.2 | 4.2 |
| Xaignabouli | 4.2 | 4.2 |
| Vientiane Prefecture | 2.3 | 2.3 |