| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 0 |
0%
|
| 2 | 12 years old | 39 |
1.5%
|
| 3 | 13 years old | 463 |
17.7%
|
| 4 | 14 years old | 767 |
29.3%
|
| 5 | 15 years old | 785 |
30%
|
| 6 | 16 years old | 464 |
17.7%
|
| 7 | 17 years old or older | 99 |
3.8%
|
| Sysmiss | 12 |