| Value | Category | Cases | |
|---|---|---|---|
| 1 | Do not usually do it | 309 |
16.2%
|
| 2 | Increased | 185 |
9.7%
|
| 3 | Unchanged | 1384 |
72.3%
|
| 4 | Decreased | 21 |
1.1%
|
| 5 | Initially changed but has now returned to normal | 0 |
0%
|
| 98 | I do not know | 0 |
0%
|
| 99 | Refused | 14 |
0.7%
|
| Sysmiss | 354 |