| Value | Category | Cases | |
|---|---|---|---|
| 1 | too expensive | 2450 |
56%
|
| 2 | difficult to obtain locally | 49 |
1.1%
|
| 3 | service is not good | 11 |
0.3%
|
| 4 | workers not qualified for it | 143 |
3.3%
|
| 5 | other | 1722 |
39.4%
|
| Sysmiss | 583 |