| Value | Category | Cases | |
|---|---|---|---|
| 1 | no difficulties | 3285 |
41.3%
|
| 2 | high price | 4405 |
55.4%
|
| 3 | too far to get | 29 |
0.4%
|
| 4 | not available | 2 |
0%
|
| 5 | other | 229 |
2.9%
|