| Value | Category | Cases | |
|---|---|---|---|
| 0 | 147 |
5.8%
|
|
| 1 | 751 |
29.8%
|
|
| 2 | 792 |
31.5%
|
|
| 3 | 434 |
17.2%
|
|
| 4 | 147 |
5.8%
|
|
| 5 | 93 |
3.7%
|
|
| 6 | 13 |
0.5%
|
|
| 7 | 141 |
5.6%
|
|
| Sysmiss | 1988 |