From Wikipedia, the free encyclopedia
30 October 1985–1989
[edit]1989–24 January 1993
[edit]1 September 1993–26 October 1997
[edit]27 October 1997–29 June 2000
[edit]30 June 2000–30 November 2001
[edit]1 December 2001–September 2002
[edit]September 2002–23 April 2004
[edit]24 April 2004–7 February 2007
[edit]8 February 2007–29 November 2009
[edit]30 November 2009–31 January 2011
[edit]1 February 2011–29 September 2013
[edit]30 September 2013–18 April 2016
[edit]19 April 2016–8 October 2017
[edit]9 October 2017–5 August 2018
[edit]6 August 2018–6 April 2020
[edit]7 April 2020–present
[edit] 
