| Value | Category | Cases | |
|---|---|---|---|
| 1 | Easy | 532 |
71.2%
|
| 2 | Difficult | 146 |
19.5%
|
| 3 | Neither easy nor difficult | 53 |
7.1%
|
| 4 | Don't know | 1 |
0.1%
|
| 5 | Refused | 0 |
0%
|
| 6 | Not applicable (no expenses incurred) | 1 |
0.1%
|
| 7 | Data not entered | 14 |
1.9%
|
| Sysmiss | 322 |