| Value | Category | Cases | |
|---|---|---|---|
| 0 | 345 |
18.8%
|
|
| 1 | 335 |
18.3%
|
|
| 2 | 291 |
15.9%
|
|
| 3 | 180 |
9.8%
|
|
| 4 | 137 |
7.5%
|
|
| 5 | 63 |
3.4%
|
|
| 6 | 8 |
0.4%
|
|
| 7 | 474 |
25.9%
|
|
| Sysmiss | 228 |