| Value | Category | Cases | |
|---|---|---|---|
| 0 | 619 |
48.6%
|
|
| 1 | 377 |
29.6%
|
|
| 2 | 156 |
12.2%
|
|
| 3 | 78 |
6.1%
|
|
| 4 | 27 |
2.1%
|
|
| 5 | 10 |
0.8%
|
|
| 6 | 5 |
0.4%
|
|
| 7 | 1 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| Sysmiss | 22 |