| Value | Category | Cases | |
|---|---|---|---|
| 1 | Do not usually do it | 309 |
16%
|
| 2 | Increased | 173 |
8.9%
|
| 3 | Unchanged | 1418 |
73.3%
|
| 4 | Decreased | 25 |
1.3%
|
| 5 | Initially changed but has now returned to normal | 0 |
0%
|
| 98 | I do not know | 0 |
0%
|
| 99 | Refused | 10 |
0.5%
|
| Sysmiss | 332 |