| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 328 |
10.6%
|
| 2 | Sometimes | 247 |
8%
|
| 3 | No | 1000 |
32.3%
|
| 4 | N/A | 1520 |
49.1%
|
| Sysmiss | 129 |