| Value | Category | Cases | |
|---|---|---|---|
| 1 | too expensive | 3081 |
78.3%
|
| 2 | difficult to obtain locally | 101 |
2.6%
|
| 3 | no good service for it | 30 |
0.8%
|
| 4 | workers not qualified for it | 40 |
1%
|
| 5 | other | 681 |
17.3%
|
| Sysmiss | 1067 |