| Value | Category | Cases | |
|---|---|---|---|
| 1 | Is increasing | 440 |
31.3%
|
| 2 | Is decreasing | 229 |
16.3%
|
| 3 | Is neither increasing nor decreasing | 315 |
22.4%
|
| 4 | I do not know/I am uncertain | 420 |
29.9%
|
| Sysmiss | 2 |