| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 7877 |
13.2%
|
| 2 | Often | 1195 |
2%
|
| 3 | Not often | 711 |
1.2%
|
| 4 | Not needed | 46177 |
77.6%
|
| 5 | No | 3512 |
5.9%
|
| Sysmiss | 21772 |