| 1 有必要 | 8 其它（请填写 ） |
| 2 没必要 | 9 不知道 |
| 3 根据具体情况而定 |
| 1 | 2 | 3 | 8 | 9 | |||||||
| % | % | % | % | % | |||||||
| Total | 28.1 | 54 | 15.4 | 0.7 | 1.8 | ||||||
| Gender | Male | 28 | 53.7 | 16 | 1 | 1.3 | |||||
| Female | 28.2 | 54.4 | 14.8 | 0.4 | 2.3 | ||||||
| Age | 18～19yrs | 30 | 50 | 17.5 | - | 2.5 | |||||
| 20～24yrs | 24.1 | 47.2 | 24.1 | 0.9 | 3.7 | ||||||
| 25～29yrs | 18.1 | 62.5 | 18.1 | 1.4 | - | ||||||
| 30～34yrs | 14.1 | 73.4 | 12.5 | - | - | ||||||
| 35～39yrs | 31.3 | 50 | 18.8 | - | - | ||||||
| 40～44yrs | 26.4 | 54.9 | 16 | - | 2.8 | ||||||
| 45～49yrs | 28.8 | 52.5 | 15.2 | 0.5 | 3 | ||||||
| 50～54yrs | 34.6 | 48.6 | 15 | 0.9 | 0.9 | ||||||
| 55～59yrs | 31.4 | 52.9 | 15.7 | - | - | ||||||
| 60～64yrs | 32.8 | 56.3 | 6.3 | 1.6 | 3.1 | ||||||
| 65～69yrs | 26.5 | 70.6 | 2.9 | - | - | ||||||
| 70yrs&over | 36.4 | 47.7 | 12.5 | 2.3 | 1.1 | ||||||