| Value | Category | Cases | |
|---|---|---|---|
| 0 | 314 |
33.6%
|
|
| 1 | 109 |
11.7%
|
|
| 2 | 212 |
22.7%
|
|
| 3 | 174 |
18.6%
|
|
| 4 | 94 |
10.1%
|
|
| 5 | 23 |
2.5%
|
|
| 6 | 6 |
0.6%
|
|
| 7 | 3 |
0.3%
|
|
| Sysmiss | 63 |