| Value | Category | Cases | |
|---|---|---|---|
| 12 | 3 |
0.5%
|
|
| 13 | 83 |
14.5%
|
|
| 14 | 223 |
39.1%
|
|
| 15 | 144 |
25.2%
|
|
| 16 | 69 |
12.1%
|
|
| 17 | 32 |
5.6%
|
|
| 18 | 8 |
1.4%
|
|
| 19 | 3 |
0.5%
|
|
| 22 | 1 |
0.2%
|
|
| Sysmiss | 5 |