| Value | Category | Cases | |
|---|---|---|---|
| 1 | Higher | 1509 |
72.5%
|
| 2 | About the same | 553 |
26.6%
|
| 3 | Lower | 18 |
0.9%
|
| 10 | 1 |
0%
|
|
| 99 | 1 |
0%
|
|
| 0 | NR | 63 | |
| 9 | NA | 19 | |
| Sysmiss | 836 |