| Value | Category | Cases | |
|---|---|---|---|
| 0 | 286 |
72.4%
|
|
| 1 | 13 |
3.3%
|
|
| 2 | 22 |
5.6%
|
|
| 3 | 9 |
2.3%
|
|
| 4 | 6 |
1.5%
|
|
| 5 | 5 |
1.3%
|
|
| 7 | 9 |
2.3%
|
|
| 8 | 1 |
0.3%
|
|
| 10 | 3 |
0.8%
|
|
| 11 | 1 |
0.3%
|
|
| 14 | 6 |
1.5%
|
|
| 15 | 3 |
0.8%
|
|
| 18 | 1 |
0.3%
|
|
| 21 | 1 |
0.3%
|
|
| 30 | 28 |
7.1%
|
|
| 31 | 1 |
0.3%
|
|
| Sysmiss | 8 |