| Value | Category | Cases | |
|---|---|---|---|
| 1 | feet | 1076 |
38.1%
|
| 2 | meters | 713 |
25.2%
|
| 3 | miles | 50 |
1.8%
|
| 4 | kilometers | 985 |
34.9%
|
| 77 | refuse | 0 |
0%
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 2146 |