| Value | Category | Cases | |
|---|---|---|---|
| 0 | 171 |
92.4%
|
|
| 1 | 6 |
3.2%
|
|
| 2 | 1 |
0.5%
|
|
| 3 | 4 |
2.2%
|
|
| 4 | 1 |
0.5%
|
|
| 8 | 1 |
0.5%
|
|
| 9 | 1 |
0.5%
|
|
| Sysmiss | 5 |