| Value |
Category |
| 0 |
pre-school |
| 1 |
class 1 |
| 2 |
class 2 |
| 3 |
class 3 |
| 4 |
class 4 |
| 5 |
class 5 |
| 6 |
class 6 |
| 7 |
class 7 |
| 8 |
class 8 |
| 9 |
class 9 |
| 10 |
class 10 |
| 11 |
class 11 |
| 12 |
class 12 |
| 13 |
secondary school certificate, |
| 14 |
technical/vocational pre-secondary diploma/certificate |
| 15 |
technical/vocational post-secondary diploma/certificate |
| 16 |
college/university undergraduate |
| 17 |
college /university graduate |
| 18 |
post-graduate |
| 19 |
others |
| 99 |
none |
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.