时间(年底)

历史股息增长率均值

预期股权回报

2004

11.80%

20.97%

2005

11.80%

22.38%

2006

11.80%

15.19%

2007

11.80%

12.85%

2008

11.80%

14.76%

2009

11.80%

13.59%

2010

11.80%

13.97%