| Value | Category | Cases | |
|---|---|---|---|
| 1 | Do not usually do it | 139 |
6.2%
|
| 2 | Increased | 271 |
12.1%
|
| 3 | Unchanged | 1320 |
58.7%
|
| 4 | Decreased | 383 |
17%
|
| 5 | Initially changed but has now returned to normal | 119 |
5.3%
|
| 98 | I do not know | 13 |
0.6%
|
| 99 | Refused | 3 |
0.1%
|
| Sysmiss | 116 |