| Value | Category | Cases | |
|---|---|---|---|
| 1 | Below 12 years | 59 |
1.1%
|
| 2 | 12-15 years | 183 |
3.4%
|
| 3 | 16-18 years | 1498 |
27.7%
|
| 4 | 19-21 years | 2110 |
39%
|
| 5 | Above 21 years | 1565 |
28.9%
|
| 2147483622 | Don't know | 0 |
0%
|
| 2147483623 | Refused to respond | 0 |
0%
|
| 2147483647 | Not administered | 0 |
0%
|
| 11 | .Z | 27740 |