| Value | Category | Cases | |
|---|---|---|---|
| 1 | quantity of service | 19 |
0.2%
|
| 2 | quality of service | 134 |
1.4%
|
| 3 | quantity and quality | 227 |
2.3%
|
| 4 | other/ specify | 13 |
0.1%
|
| 9 | I don’t know | 3 |
0%
|
| Sysmiss | 9279 |