| Value | Category | Cases | |
|---|---|---|---|
| 0 | 359 |
81.2%
|
|
| 1 | 28 |
6.3%
|
|
| 2 | 9 |
2%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 1 |
0.2%
|
|
| 99 | Unspecified | 44 |
10%
|
| Sysmiss | 1589 |