| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0.0-0.5km | 12958 |
65.5%
|
| 2 | .51-1.0km | 2522 |
12.7%
|
| 3 | 1.11-1.5km | 614 |
3.1%
|
| 4 | 1.51-2.0km | 454 |
2.3%
|
| 5 | 2.11-2.5km | 188 |
0.9%
|
| 6 | 2.51-3.0km | 951 |
4.8%
|
| 7 | Over 30km | 2104 |
10.6%
|
| Sysmiss | 3447 |