| 年份 | 地表水资源量(亿立方米) |
|---|---|
| 2004 | 23126.40 |
| 2005 | 26982.40 |
| 2006 | 24358.10 |
| 2007 | 24242.50 |
| 2008 | 26377.00 |
| 2009 | 23125.20 |
| 2010 | 29797.60 |
| 2011 | 22213.60 |
| 2012 | 28373.30 |
| 2013 | 26839.50 |
| 2014 | 26263.90 |
| 2015 | 26900.80 |
| 2016 | 31273.90 |
| 2017 | 27746.30 |
| 2018 | 26323.20 |
| 2019 | 27993.30 |
| 2020 | 30407.00 |
| 2021 | 28310.50 |
| 2022 | 25984.40 |
| 2023 | 24633.50 |
| 2024 | 29895.60 |