| Value | Category | Cases | |
|---|---|---|---|
| 0 | 671 |
72.4%
|
|
| 1 | 182 |
19.6%
|
|
| 2 | 46 |
5%
|
|
| 3 | 14 |
1.5%
|
|
| 4 | 11 |
1.2%
|
|
| 5 | 2 |
0.2%
|
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 1001 |