| | | 1991.09___1993.08 | | 1993.08___1995.08 | | 1995.08___2004.02 | | 2000.08___2002.12 | | | 2004.02___2006.05 | | 2006.05___2007.03 | | | 2007.03___2007.10 | | | 2007.10___2013.05 | | 2013.05___2016.06 | | 2016.06___2018.05 | | | 2018.05___ | | | | | |