| 时间 | 无风险收益率 | 预期股权回报 |
| 2004.12.31 | 4.73% | 19.46% |
| 2005.12.30 | 3.12% | 20.77% |
| 2006.12.29 | 3.03% | 10.45% |
| 2007.12.31 | 4.43% | 6.73% |
| 2008.12.31 | 2.75% | 9.04% |
| 2009.12.31 | 3.64% | 7.26% |
| 2010.12.31 | 3.88% | 7.90% |
| 2011.12.30 | 3.42% | 8.44% |
| 2012.12.31 | 3.57% | 8.44% |
| 2013.12.31 | 4.55% | 9.66% |
| 2014.12.31 | 3.62% | 7.24% |
| 2015.12.31 | 2.82% | 6.43% |
| 2016.12.30 | 3.01% | 7.06% |
| 2017.12.29 | 3.88% | 6.39% |
| 2018.12.31 | 3.23% | 8.06% |
| 2019.12.31 | 3.14% | 7.15% |