| Value | Category | Cases | |
|---|---|---|---|
| 1 | Decreased since 2002 | 2 |
4.5%
|
| 2 | No change | 32 |
72.7%
|
| 3 | Increased since 2002 | 10 |
22.7%
|
| -9 | 59 | ||
| -7 | 30 |