| Value | Category | Cases | |
|---|---|---|---|
| 1 | adjacent | 111 |
17%
|
| 2 | less than 30 minutes | 369 |
56.5%
|
| 3 | between 30 minutes and 1 hour | 120 |
18.4%
|
| 4 | one to three hours walking | 45 |
6.9%
|
| 5 | more than 3 hours | 8 |
1.2%
|
| Sysmiss | 1502 |