| Value | Category | Cases | |
|---|---|---|---|
| 0 | 165 |
94.8%
|
|
| 1 | 3 |
1.7%
|
|
| 2 | 1 |
0.6%
|
|
| 3 | 3 |
1.7%
|
|
| 4 | 1 |
0.6%
|
|
| 9 | 1 |
0.6%
|
|
| Sysmiss | 1018 |