| Value | Category | Cases | |
|---|---|---|---|
| 0 | 154 |
81.9%
|
|
| 1 | 20 |
10.6%
|
|
| 2 | 8 |
4.3%
|
|
| 3 | 1 |
0.5%
|
|
| 4 | 3 |
1.6%
|
|
| 5 | 2 |
1.1%
|
|
| Sysmiss | 2 |