| Value | Category | Cases | |
|---|---|---|---|
| 0 | 149 |
81.9%
|
|
| 1 | 27 |
14.8%
|
|
| 2 | 3 |
1.6%
|
|
| 3 | 1 |
0.5%
|
|
| 4 | 1 |
0.5%
|
|
| 6 | 1 |
0.5%
|
|
| Sysmiss | 33 |