| Value | Category | Cases | |
|---|---|---|---|
| 0 | 548 |
35.7%
|
|
| 1 | 569 |
37.1%
|
|
| 2 | 265 |
17.3%
|
|
| 3 | 120 |
7.8%
|
|
| 4 | 21 |
1.4%
|
|
| 5 | 9 |
0.6%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 1645 |