From Wikipedia, the free encyclopedia
1 October 1996–30 April 1998
[edit]1 May 1998–30 April 2002
[edit]15 October 2006–27 April 2008
[edit]28 April–5 October 2008
[edit]6 October 2008–21 February 2010
[edit]22 February 2010–6 March 2011
[edit]7 March 2011–March 2013
[edit]March 2013–10 February 2016
[edit]11 February 2016–1 September 2019
[edit]2 September 2019–present
[edit] 
