| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 0 |
0%
|
| 1 | Increased | 47 |
19.8%
|
| 2 | Decreased | 14 |
5.9%
|
| 3 | No effect | 8 |
3.4%
|
| 9 | Not stated | 168 |
70.9%
|
| Sysmiss | 268 |