| Value | Category | Cases | |
|---|---|---|---|
| 0 | 102 |
38.5%
|
|
| 1 | 32 |
12.1%
|
|
| 2 | 109 |
41.1%
|
|
| 3 | 11 |
4.2%
|
|
| 4 | 3 |
1.1%
|
|
| 5 | 1 |
0.4%
|
|
| 6 | 5 |
1.9%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| Sysmiss | 21 |