| Value | Category | Cases | |
|---|---|---|---|
| 0 | 84 |
27.1%
|
|
| 1 | Increase | 128 |
41.3%
|
| 2 | Decrease | 8 |
2.6%
|
| 3 | Same | 59 |
19%
|
| 9 | Don't know | 31 |
10%
|
| Sysmiss | 2623 |