| Value | Category | Cases | |
|---|---|---|---|
| 0 | 512 |
34.1%
|
|
| 1 | 427 |
28.4%
|
|
| 2 | 202 |
13.4%
|
|
| 3 | 140 |
9.3%
|
|
| 4 | 76 |
5.1%
|
|
| 5 | 56 |
3.7%
|
|
| 6 | 42 |
2.8%
|
|
| 7 | 48 |
3.2%
|
|
| Sysmiss | 60 |