| Value | Category | Cases | |
|---|---|---|---|
| 1 | feet | 1286 |
37.7%
|
| 2 | meters | 824 |
24.2%
|
| 3 | miles | 58 |
1.7%
|
| 4 | kilometers | 1239 |
36.4%
|
| 77 | refuse | 0 |
0%
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 1563 |