| Variable | Number | Percentage |
| Sex |
|
|
| man female | 0 209 | 0 100 |
| Age |
|
|
| ≤25 y | 84 | 40.2 |
| 25 - 35 y | 82 | 39.2 |
| >35 y | 43 | 20.6 |
| Education (years) |
|
|
| vocational high school | 10 | 4.8 |
| junior college | 83 | 39.7 |
| college | 107 | 51.2 |
| graduate school or above | 9 | 4.3 |