Time span of sample | 1997.1.2 - 2001.12.31 | 1997.5.12 - 1999.5.18 | 1999.5.19 - 2001.6.14 | 2002.1.4 - 2012.12.31 | 2005.6.6 - 2007.10.16 | 2007.10.17 - 2008.10.28 |
Sample Title | Full sample A | Sub-sample A 1 (Bear) | Sub-sample A 2 (Bull) | Full sample B | Sub-sample B 1 (Bull) | Sub-sample B 2 (Bear) |