| Value | Category | Cases | |
|---|---|---|---|
| 0 | 136 |
54.4%
|
|
| 1 | 76 |
30.4%
|
|
| 2 | 26 |
10.4%
|
|
| 3 | 8 |
3.2%
|
|
| 5 | 1 |
0.4%
|
|
| 6 | 1 |
0.4%
|
|
| 7 | 1 |
0.4%
|
|
| 8 | 1 |
0.4%
|
|
| Sysmiss | 2599 |