| 2005 | 2005 | |
|---|---|---|
| Vientiane Prefecture | 4.1 | 4.1 |
| Xaisômboun | 1.0 | 1.0 |
| Vientiane | 0.9 | 0.9 |
| Xékong | 0.8 | 0.8 |
| Attapu | 0.6 | 0.6 |
| Bolikhamxai | 0.6 | 0.6 |
| Champasak | 0.6 | 0.6 |
| Khammouan | 0.6 | 0.6 |
| Xiangkhoang | 0.6 | 0.6 |
| Bokèo | 0.5 | 0.5 |
| Louang Namtha | 0.5 | 0.5 |
| Louangphabang | 0.5 | 0.5 |
| Savannakhét | 0.5 | 0.5 |
| Xaignabouli | 0.5 | 0.5 |
| Oudômxai | 0.4 | 0.4 |
| Houaphan | 0.3 | 0.3 |
| Phôngsali | 0.3 | 0.3 |
| Salavan | 0.3 | 0.3 |