| Value | Category | Cases | |
|---|---|---|---|
| 1 | No change | 2211 |
4.8%
|
| 2 | Totally stopped | 1575 |
3.4%
|
| 3 | Reduced | 228 |
0.5%
|
| 4 | Increased | 15 |
0%
|
| Sysmiss | 41920 |