| Value | Category | Cases | |
|---|---|---|---|
| 0 | 388 |
40.2%
|
|
| 1 | 268 |
27.7%
|
|
| 2 | 187 |
19.4%
|
|
| 3 | 75 |
7.8%
|
|
| 4 | 35 |
3.6%
|
|
| 5 | 6 |
0.6%
|
|
| 6 | 6 |
0.6%
|
|
| 12 | 1 |
0.1%
|
|
| Sysmiss | 34 |