| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 45 |
2.7%
|
| 2 | 12 years old | 34 |
2%
|
| 3 | 13 years old | 584 |
35%
|
| 4 | 14 years old | 681 |
40.9%
|
| 5 | 15 years old | 260 |
15.6%
|
| 6 | 16 years old | 58 |
3.5%
|
| 7 | 17 years old or older | 5 |
0.3%
|
| Sysmiss | 33 |