| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don’t know (SPONTANEOUS) | 0 |
0%
|
| 1 | Increased | 21 |
4.5%
|
| 2 | Decreased | 208 |
44.3%
|
| 3 | Remained the same | 241 |
51.3%
|
| Sysmiss | 201 |