| | | 1971 12 | | 1992 8 1994 7 | | | | | 1992 08 1999 04 | | | 1999 04 2003 01 | | | 2003 01 2003 05 | | 2003 05 2004 06 | | 2004 06 2006 10 | | 2006 10 2008 09 | | 2008 09 2012 05 | | | 2012 05 2013 01 | | | 2013 01 2016 07 | | | 2016 07 2017 08 | | | 2017 08 2017 10 | | | 2017 10 |