| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good quality | 912 |
25.2%
|
| 2 | Good quality | 1492 |
41.2%
|
| 3 | Acceptable quality | 486 |
13.4%
|
| 4 | Poor quality | 215 |
5.9%
|
| 5 | Very poor quality | 97 |
2.7%
|
| 6 | Uncertain | 147 |
4.1%
|
| 7 | No such service in this area | 269 |
7.4%
|