| Value | Category | Cases | |
|---|---|---|---|
| 1 | 53 |
1.7%
|
|
| 2 | 329 |
10.8%
|
|
| 3 | 1162 |
38.1%
|
|
| 4 | 1503 |
49.3%
|
|
| 999 | 999. missing | 0 |
0%
|
| Sysmiss | 1491 |