| Value | Category | Cases | |
|---|---|---|---|
| 0 | 271 |
76.8%
|
|
| 13 | 2 |
0.6%
|
|
| 14 | 5 |
1.4%
|
|
| 15 | 22 |
6.2%
|
|
| 16 | 44 |
12.5%
|
|
| 17 | 7 |
2%
|
|
| 18 | 2 |
0.6%
|
|
| Sysmiss | 5206 |