| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 1 |
0.5%
|
| 1 | approximately accurate | 173 |
91.1%
|
| 2 | estimate is too high | 9 |
4.7%
|
| 3 | estimate is too low | 7 |
3.7%
|
| Sysmiss | 26 |