| Value | Category | Cases | |
|---|---|---|---|
| 1 | Increase | 25 |
2.9%
|
| 2 | About the same | 509 |
58.2%
|
| 3 | Decrease | 296 |
33.8%
|
| 4 | No Income | 45 |
5.1%
|
| Sysmiss | 930 |