| Value | Category | Cases | |
|---|---|---|---|
| 0 | 156 |
16.8%
|
|
| 1 | 88 |
9.5%
|
|
| 2 | 70 |
7.6%
|
|
| 3 | 161 |
17.4%
|
|
| 4 | 73 |
7.9%
|
|
| 5 | 53 |
5.7%
|
|
| 6 | 16 |
1.7%
|
|
| 7 | 310 |
33.4%
|
|
| Sysmiss | 881 |