| Value | Category | Cases | |
|---|---|---|---|
| 0 | 992 |
96.3%
|
|
| 1 | 27 |
2.6%
|
|
| 2 | 5 |
0.5%
|
|
| 3 | 4 |
0.4%
|
|
| 4 | 2 |
0.2%
|
|
| Sysmiss | 1232 |