| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 208 |
3.4%
|
| 2 | 12 years old | 399 |
6.4%
|
| 3 | 13 years old | 1798 |
29%
|
| 4 | 14 years old | 1927 |
31.1%
|
| 5 | 15 years old | 1479 |
23.9%
|
| 6 | 16 years old | 244 |
3.9%
|
| 7 | 17 years old | 145 |
2.3%
|
| 8 | 18 and over | 0 |
0%
|
| Sysmiss | 178 |