| Value | Category | Cases | |
|---|---|---|---|
| 0 | 118 |
77.1%
|
|
| 1 | 19 |
12.4%
|
|
| 2 | 12 |
7.8%
|
|
| 3 | 3 |
2%
|
|
| 6 | 1 |
0.7%
|
|
| 999 | 20 | ||
| Sysmiss | 1491 |