| Value | Category | Cases | |
|---|---|---|---|
| -99 | 7 |
1.3%
|
|
| 1 | Vientiane Capital | 467 |
88.6%
|
| 2 | Central Provinces | 29 |
5.5%
|
| 3 | Northern Provinces | 12 |
2.3%
|
| 4 | Southern Provinces | 8 |
1.5%
|
| Sysmiss | 4 |
0.8%
|