| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 28 |
0.5%
|
| 2 | 12 years old | 16 |
0.3%
|
| 3 | 13 years old | 796 |
14.6%
|
| 4 | 14 years old | 1457 |
26.7%
|
| 5 | 15 years old | 1822 |
33.3%
|
| 6 | 16 years old | 1258 |
23%
|
| 7 | 17 years old or older | 89 |
1.6%
|
| Sysmiss | 17 |