| 年份 | 净资产收益率（ROE） |
|---|---|
| 2025 | 0.29 |
| 2024 | 6.0 |
| 2023 | 1.0 |
| 2022 | 7.0 |
| 2021 | 15.0 |
| 2020 | 14.0 |
| 2019 | 4.0 |
| 2018 | 10.0 |
| 2017 | 8.0 |
| 2016 | 2.0 |
| 2015 | 8.0 |
| 2014 | 12.0 |
| 2013 | 11.0 |
| 2012 | 10.0 |
| 2011 | 21.0 |
| 2010 | 20.0 |
| 2009 | 7.0 |
| 2008 | 10.0 |
| 2007 | 24.0 |
| 2006 | 26.71 |
| 2005 | 31.5 |
| 2004 | 37.39 |
| 2003 | 20.42 |
| 2002 | 17.86 |
| 2001 | 23.67 |
| 2000 | 23.97 |
| 1998 | 18.33 |