| Value | Category | Cases | |
|---|---|---|---|
| 0 | 144 |
62.3%
|
|
| 1 | 51 |
22.1%
|
|
| 2 | 3 |
1.3%
|
|
| 3 | 3 |
1.3%
|
|
| 4 | 1 |
0.4%
|
|
| 8 | 1 |
0.4%
|
|
| 95 | 28 |
12.1%
|
|
| Sysmiss | 2 |