| Value | Category | Cases | |
|---|---|---|---|
| 0 | 980 |
89%
|
|
| 1 | 76 |
6.9%
|
|
| 2 | 28 |
2.5%
|
|
| 3 | 12 |
1.1%
|
|
| 4 | 4 |
0.4%
|
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 265 |