| Value | Category | Cases | |
|---|---|---|---|
| 0 | 43 |
20.9%
|
|
| 1 | 63 |
30.6%
|
|
| 2 | 69 |
33.5%
|
|
| 3 | 19 |
9.2%
|
|
| 4 | 6 |
2.9%
|
|
| 5 | 5 |
2.4%
|
|
| 7 | 1 |
0.5%
|
|
| Sysmiss | 309 |