| Value | Category | Cases | |
|---|---|---|---|
| 1 | within premises | 19 |
5.8%
|
| 2 | Less than 0.5 km | 205 |
62.5%
|
| 3 | 0.5 to 1km | 72 |
22%
|
| 4 | 1km or more | 31 |
9.5%
|
| 5 | 1 |
0.3%
|
|
| Sysmiss | 1923 |