| Value | Category | Cases | |
|---|---|---|---|
| 0 | 544 |
29.7%
|
|
| 1 | 396 |
21.6%
|
|
| 2 | 245 |
13.4%
|
|
| 3 | 132 |
7.2%
|
|
| 4 | 108 |
5.9%
|
|
| 5 | 29 |
1.6%
|
|
| 6 | 3 |
0.2%
|
|
| 7 | 376 |
20.5%
|
|
| Sysmiss | 228 |