| 性别(N = 266) | 年龄 | |||||||||
| 男 | 女 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 34% | 66% | 0.4% | 6.8% | 18.8% | 30.1% | 23.7% | 11.7% | 5.6% | 2.3% | 0.8% |