| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Not available | 11 |
0.4%
|
| 1 | About the same | 1661 |
53.5%
|
| 2 | More than normal | 429 |
13.8%
|
| 3 | Less than normal | 1001 |
32.3%
|