| Value | Category |
|---|---|
| -99 | Refused |
| -98 | Not applicable |
| -97 | Don't know |
| -90 | Filtered |
| -1 | Not stated |
| 0 | no Reduced the use of my car, for example by car-sharing or using my car more ef |
| 1 | Reduced the use of my car, for example by car-sharing or using my car more effic |
| Sysmiss |