| 年份 | 出生婴儿性别比(女 = 100) |
| 2008 | 120.56 |
| 2009 | 119.45 |
| 2010 | 118.06 |
| 2011 | 117.78 |
| 2012 | 117.7 |
| 2013 | 117.6 |
| 2014 | 115.8 |
| 2015 | 115.6 |
| 2016 | 115.29 |
| 2017 | 114.75 |
| 2018 | 114.21 |
| 2019 | 113.68 |
| 2020 | 113.15 |
| 2021 | 112.62 |