| Value | Category | Cases | |
|---|---|---|---|
| 1 | Near the dwelling | 241 |
2.2%
|
| 2 | 10 minutes | 1056 |
9.7%
|
| 3 | 20 minutes | 1754 |
16.1%
|
| 4 | 30 minutes | 2055 |
18.9%
|
| 5 | 40 minutes | 1334 |
12.3%
|
| 6 | 50 minutes | 1071 |
9.9%
|
| 7 | 60 minutes or more | 3359 |
30.9%
|
| Sysmiss | 4 |