| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes regularly | 80 |
11.5%
|
| 2 | yes occationally | 433 |
62.3%
|
| 3 | no | 165 |
23.7%
|
| 9 | 14 |
2%
|
|
| 10 | 1 |
0.1%
|
|
| 61 | 1 |
0.1%
|
|
| 99 | 1 |
0.1%
|
|
| Sysmiss | 2305 |