| Value | Category | Cases | |
|---|---|---|---|
| 0 | 228 |
71%
|
|
| 1 | 59 |
18.4%
|
|
| 2 | 17 |
5.3%
|
|
| 3 | 9 |
2.8%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 1 |
0.3%
|
|
| 6 | 1 |
0.3%
|
|
| 7 | 4 |
1.2%
|
|
| 12 | 1 |
0.3%
|
|
| Sysmiss | 5757 |