| Value |
Category |
| 0 |
Never |
| 1 |
Nhatre |
| 2 |
|
| 3 |
Cap I |
| 4 |
Cap II |
| 5 |
Cap III |
| 6 |
Nghe SC |
| 7 |
THCN |
| 8 |
DHDC |
| 9 |
DHCD |
| 10 |
Thac sy |
| 11 |
PTS |
| 12 |
TS |
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.