| 1972 10 | 1995 3 1992 12 | | 1990.09 1992 .07 | | | 1992.07 1992.12 | 1992.12 1997.01 | | | 1997.01 2003.12 | | | 1999.10 2001.06 | | | 2003.12 2005.11 | | | 2005.11 2009.12 | | | 2009.12 2011.05 | | | 2011.0 5 2014.08 | | 2011.08 | 2014.01 | | 2014.08 2016.08 | | 2015.0 4 2016.04 | | | 2016.08 2021.07 | | | 2021.07 | | | |