| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.5%
|
|
| 1 | 105 |
51%
|
|
| 2 | 67 |
32.5%
|
|
| 3 | 12 |
5.8%
|
|
| 4 | 20 |
9.7%
|
|
| 5 | 1 |
0.5%
|
|
| Sysmiss | 255 |