次数 | 年份 | 0-14岁 | 15-64岁 | 65岁及以上 |
一 | 1990 | 36.02% | 62.23% | 1.75% |
二 | 2000 | 26.05% | 68.67% | 5.29% |
三 | 2010 | 21.37% | 72.32% | 6.31% |
四 | 2018 | 20.32% | 70.97% | 7.11% |