| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
6.3%
|
|
| 1 | 100 |
48.5%
|
|
| 2 | 67 |
32.5%
|
|
| 3 | 18 |
8.7%
|
|
| 4 | 6 |
2.9%
|
|
| 5 | 1 |
0.5%
|
|
| 20 | 1 |
0.5%
|
|
| Sysmiss | 3 |