| Value |
Category |
| 1 |
Level 1 |
| 2 |
Level 2 |
| 3 |
Level 3 |
| 4 |
Level 4 |
| 5 |
Level 5 |
| 7 |
Partial Attempt |
| 8 |
Unable to read and write |
| 9 |
Able to read but unable to write |
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.