| Value | Category | Cases | |
|---|---|---|---|
| 0 | 62 |
80.5%
|
|
| 1 | 11 |
14.3%
|
|
| 2 | 1 |
1.3%
|
|
| 3 | 1 |
1.3%
|
|
| 5 | 2 |
2.6%
|
|
| Sysmiss | 2001 |