| Value | Category | Cases | |
|---|---|---|---|
| 0 | Unchanged | 525 |
68.7%
|
| 1 | Increased | 16 |
2.1%
|
| 2 | Reduced | 102 |
13.4%
|
| 3 | Stopped completely | 121 |
15.8%
|
| Sysmiss | 18676 |