| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Not available | 0 |
0%
|
| 1 | About the same | 4 |
30.8%
|
| 2 | Higher volume of trade | 0 |
0%
|
| 3 | Lower volume of trade | 9 |
69.2%
|