日期	指数
2013.1-05	4.89%
2013.1-04	4.87%
2013.1-03	4.83%
2013.1-02	4.94%
2012.1-12	5.68%
2012.1-11	5.13%
2012.1-10	4.87%
2012.1-08	4.72%
2012.1-07	4.74%
2012.1-06	4.75%
2012.1-05	4.71%
2012.1-04	4.75%
2012.1-03	4.81%
2012.1-02	4.90%
2011.1-12	5.95%
2011.1-10	5.34%
2011.1-09	5.29%
2011.1-08	5.34%
2011.1-07	5.33%
2011.1-06	5.43%