| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9 |
0.6%
|
|
| 1 | 562 |
39.2%
|
|
| 2 | 449 |
31.3%
|
|
| 3 | 254 |
17.7%
|
|
| 4 | 112 |
7.8%
|
|
| 5 | 36 |
2.5%
|
|
| 6 | 8 |
0.6%
|
|
| 7 | 4 |
0.3%
|
|
| Sysmiss | 588 |