| Value | Category | Cases | |
|---|---|---|---|
| 0 | option not selected | 1187 |
96%
|
| 1 | transportation | 38 |
3.1%
|
| 98 | don't know | 10 |
0.8%
|
| 99 | refused | 1 |
0.1%
|
| Sysmiss | 3843 |