| Value | Category | Cases | |
|---|---|---|---|
| 1 | no difficulties | 2494 |
34.2%
|
| 2 | high price | 4504 |
61.8%
|
| 3 | too far to get | 62 |
0.9%
|
| 4 | not available | 15 |
0.2%
|
| 5 | other | 210 |
2.9%
|