| Value | Category | Cases | |
|---|---|---|---|
| 0 | 39 |
19.1%
|
|
| 1 | 115 |
56.4%
|
|
| 2 | 39 |
19.1%
|
|
| 3 | 9 |
4.4%
|
|
| 4 | 1 |
0.5%
|
|
| 5 | 1 |
0.5%
|
|
| Sysmiss | 5 |