| Value | Category | Cases | |
|---|---|---|---|
| 1 | 11 years old or younger | 0 |
0%
|
| 2 | 12 years old | 70 |
0.6%
|
| 3 | 13 years old | 3439 |
28.5%
|
| 4 | 14 years old | 5333 |
44.1%
|
| 5 | 15 years old | 3017 |
25%
|
| 6 | 16 years old | 214 |
1.8%
|
| 7 | 17 years old or older | 8 |
0.1%
|
| Sysmiss | 5 |