| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 1 |
0%
|
| 1 | Very often | 1075 |
45.3%
|
| 2 | Occasionally | 995 |
41.9%
|
| 3 | Rarely | 304 |
12.8%
|
| Sysmiss | 831 |