| Value | Category | Cases | |
|---|---|---|---|
| 0 | 316 |
43.9%
|
|
| 1 | 175 |
24.3%
|
|
| 2 | 120 |
16.7%
|
|
| 3 | 44 |
6.1%
|
|
| 4 | 32 |
4.5%
|
|
| 5 | 10 |
1.4%
|
|
| 6 | 20 |
2.8%
|
|
| 7 | 2 |
0.3%
|
|
| Sysmiss | 1 |