| Value |
Category |
| 1 |
Ho Chi Minh |
| 2 |
Hanoi |
| 3 |
Northern Mountain area |
| 4 |
Central coastal area |
| 5 |
Mekong Delta |
| 6 |
Other |
| -99 |
|
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.