| Value | Category | Cases | |
|---|---|---|---|
| 0 | 194 |
34.2%
|
|
| 1 | 136 |
24%
|
|
| 2 | 166 |
29.3%
|
|
| 3 | 52 |
9.2%
|
|
| 4 | 8 |
1.4%
|
|
| 5 | 5 |
0.9%
|
|
| 6 | 1 |
0.2%
|
|
| 7 | 5 |
0.9%
|
|
| Sysmiss | 6 |