| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9 |
1.6%
|
|
| 1 | 351 |
64.2%
|
|
| 2 | 146 |
26.7%
|
|
| 3 | 30 |
5.5%
|
|
| 4 | 7 |
1.3%
|
|
| 5 | 3 |
0.5%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 992 |