| Value | Category | Cases | |
|---|---|---|---|
| 1 | Approximately accurate | 1937 |
81.8%
|
| 2 | Estimate is too high | 290 |
12.2%
|
| 3 | Estimate is too low | 125 |
5.3%
|
| 7 | Don't know | 17 |
0.7%
|
| Sysmiss | 1230 |