| Value | Category | Cases | |
|---|---|---|---|
| 0 | unchanged | 324 |
77.1%
|
| 1 | increased | 24 |
5.7%
|
| 2 | reduced | 66 |
15.7%
|
| 3 | stopped completely | 6 |
1.4%
|
| Sysmiss | 5001 |