| Value | Category | Cases | |
|---|---|---|---|
| 1 | Do not usually do it | 204 |
14.7%
|
| 2 | Increased | 138 |
10%
|
| 3 | Unchanged | 1014 |
73.2%
|
| 4 | Decreased | 11 |
0.8%
|
| 5 | Initially changed but has now returned to normal | 0 |
0%
|
| 98 | I do not know | 0 |
0%
|
| 99 | Refused | 18 |
1.3%
|
| Sysmiss | 882 |