| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increased | 2141 |
24.7%
|
| 2 | Remained the same | 3068 |
35.4%
|
| 3 | Decreased by less than half | 2648 |
30.5%
|
| 4 | Decreased by half or more | 817 |
9.4%
|
| Sysmiss | 35 |