| Value | Category | Cases | |
|---|---|---|---|
| 0 | 520 |
32.8%
|
|
| 1 | 704 |
44.5%
|
|
| 2 | 254 |
16%
|
|
| 3 | 75 |
4.7%
|
|
| 4 | 21 |
1.3%
|
|
| 5 | 6 |
0.4%
|
|
| 6 | 3 |
0.2%
|
|
| Sysmiss | 3418 |