| Demographic characteristics | Category | Number of samples | Percentage share |
| Gender | Male | 325 | 67.85% |
| Female | 154 | 32.15% | |
| Age | 18 - 25 | 56 | 11.69% |
| 26 - 30 | 104 | 21.71% | |
| 31 - 50 | 283 | 59.08% | |
| 51 - 60 | 36 | 7.52% | |
| Level of education | High school, middle school and below | 39 | 8.14% |
| Undergraduate (including specialist) | 310 | 64.72% | |
| Master and above | 130 | 27.14% | |
| Monthly income | Less than 3000 | 49 | 10.23% |
| 3000 - 5000 | 204 | 42.59% | |
| 5001 - 10,000 | 187 | 39.04% | |
| Above 10,000 | 39 | 8.14% |