| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 500 F | 470 |
11.5%
|
| 2 | 500-700 F | 281 |
6.9%
|
| 3 | 701-800 F | 102 |
2.5%
|
| 4 | 801-1000 F | 46 |
1.1%
|
| 5 | More than 1000 F | 85 |
2.1%
|
| 6 | I don't know | 3090 |
75.8%
|
| Sysmiss | 246 |