| Value | Category | Cases | |
|---|---|---|---|
| 0 | 79 |
96.3%
|
|
| 9 | 1 |
1.2%
|
|
| 10 | 1 |
1.2%
|
|
| 15 | 1 |
1.2%
|
|
| Sysmiss | 1914 |