| Value | Category | Cases | |
|---|---|---|---|
| 0 | 274 |
81.8%
|
|
| 1 | 54 |
16.1%
|
|
| 2 | 5 |
1.5%
|
|
| 9 | 2 |
0.6%
|
|
| Sysmiss | 8240 |