| Value | Category | Cases | |
|---|---|---|---|
| 0 | 559 |
35.2%
|
|
| 1 | 592 |
37.3%
|
|
| 2 | 273 |
17.2%
|
|
| 3 | 140 |
8.8%
|
|
| 4 | 18 |
1.1%
|
|
| 5 | 5 |
0.3%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 1589 |