| Value | Category | Cases | |
|---|---|---|---|
| -998 | Don?t know | 4 |
3.5%
|
| 1 | Less than 2 kms | 7 |
6.1%
|
| 2 | 2 to < 5 kms | 26 |
22.6%
|
| 3 | 5 to < 10 kms | 34 |
29.6%
|
| 4 | 10 to < 20 kms | 17 |
14.8%
|
| 5 | 20 kms or more | 27 |
23.5%
|
| Sysmiss | 4 |