年份	净资产收益率（ROE）
2020	10.31
2019	16.427
2018	15.652
2017	17.279
2016	14.782
2015	13.816
2014	13.185
2013	13.73
2012	13.24
2011	14.52
2010	14.07
2009	23.95
2008	16.867
2007	13.652
2006	2.031
2005	5.762
2004	1.521
2003	1.501
2002	2.51
2001	4.61
2000	7.75
1998	12.13