| 时间 | 60岁周岁及以上老人(万人) | 比重(%) |
| 2010 | 17,765 | 13.2 |
| 2011 | 18,499 | 13.7 |
| 2012 | 19,390 | 14.3 |
| 2013 | 20,243 | 14.9 |
| 2014 | 21,242 | 15.5 |
| 2015 | 22,200 | 16.1 |
| 2016 | 23,086 | 16.7 |
| 2017 | 24,090 | 17.3 |
| 2018 | 24,949 | 17.9 |