| Value | Category | Cases | |
|---|---|---|---|
| 1 | 301 |
71.5%
|
|
| 2 | 101 |
24%
|
|
| 3 | 13 |
3.1%
|
|
| 4 | 6 |
1.4%
|
|
| Sysmiss | 1999 |