| Value | Category | Cases | |
|---|---|---|---|
| 0 | 170 |
76.6%
|
|
| 1 | 20 |
9%
|
|
| 2 | 13 |
5.9%
|
|
| 3 | 6 |
2.7%
|
|
| 4 | 7 |
3.2%
|
|
| 5 | 3 |
1.4%
|
|
| 6 | 2 |
0.9%
|
|
| 8 | 1 |
0.5%
|
|
| Sysmiss | 9 |