| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
7.5%
|
|
| 1 | 53 |
57%
|
|
| 2 | 25 |
26.9%
|
|
| 3 | 3 |
3.2%
|
|
| 4 | 2 |
2.2%
|
|
| 5 | 1 |
1.1%
|
|
| 8 | 1 |
1.1%
|
|
| 9 | 1 |
1.1%
|
|
| Sysmiss | 998 |