| Value | Category | Cases | |
|---|---|---|---|
| 0 | 53 |
32.3%
|
|
| 1 | 36 |
22%
|
|
| 2 | 53 |
32.3%
|
|
| 3 | 17 |
10.4%
|
|
| 4 | 4 |
2.4%
|
|
| 6 | 1 |
0.6%
|
|
| Sysmiss | 316 |