| Value | Category | Cases | |
|---|---|---|---|
| 0 | 253 |
55.8%
|
|
| 1 | 148 |
32.7%
|
|
| 2 | 32 |
7.1%
|
|
| 3 | 15 |
3.3%
|
|
| 4 | 4 |
0.9%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 5774 |