| Value | Category | Cases | |
|---|---|---|---|
| 0 | 515 |
58.2%
|
|
| 1 | 339 |
38.3%
|
|
| 2 | 28 |
3.2%
|
|
| 3 | 2 |
0.2%
|
|
| 4 | 1 |
0.1%
|
|
| Sysmiss | 1115 |