| Value | Category | Cases | |
|---|---|---|---|
| 0 | 213 |
58.2%
|
|
| 1 | 141 |
38.5%
|
|
| 2 | 9 |
2.5%
|
|
| 3 | 1 |
0.3%
|
|
| 4 | 1 |
0.3%
|
|
| 8 | 1 |
0.3%
|
|
| Sysmiss | 6813 |