| Value | Category | Cases | |
|---|---|---|---|
| 1 | better quality | 64 |
5.5%
|
| 2 | better quality more convinient | 2 |
0.2%
|
| 3 | free assistance | 1 |
0.1%
|
| 4 | more convinient | 2 |
0.2%
|
| 5 | other | 2 |
0.2%
|
| 6 | public refused | 4 |
0.3%
|
| Missing value | 1096 |
93.6%
|