| Value | Category | Cases | |
|---|---|---|---|
| 0 | 255 |
21.1%
|
|
| 1 | 220 |
18.2%
|
|
| 2 | 375 |
31.1%
|
|
| 3 | 233 |
19.3%
|
|
| 4 | 71 |
5.9%
|
|
| 5 | 25 |
2.1%
|
|
| 6 | 10 |
0.8%
|
|
| 7 | 18 |
1.5%
|
|
| Sysmiss | 4 |