| Value | Category | Cases | |
|---|---|---|---|
| 0 | 531 |
42.5%
|
|
| 1 | 378 |
30.3%
|
|
| 2 | 55 |
4.4%
|
|
| 3 | 62 |
5%
|
|
| 4 | 106 |
8.5%
|
|
| 5 | 49 |
3.9%
|
|
| 6 | 42 |
3.4%
|
|
| 7 | 10 |
0.8%
|
|
| 999 | 15 |
1.2%
|
|
| Sysmiss | 322 |