| Value | Category | Cases | |
|---|---|---|---|
| 0 | 138 |
40.8%
|
|
| 1 | 165 |
48.8%
|
|
| 2 | 29 |
8.6%
|
|
| 3 | 5 |
1.5%
|
|
| 4 | 1 |
0.3%
|
|
| Sysmiss | 698 |