Season 1
6 episodes · 2004
Season 2
8 episodes · 2005
Season 3
7 episodes · 2006
Season 4
8 episodes · 2007
Season 5
8 episodes · 2008
Season 6
8 episodes · 2009
Season 7
8 episodes · 2010
Season 8
9 episodes · 2011
Season 9
9 episodes · 2012
Season 10
7 episodes · 2013
Season 11
7 episodes · 2014
Season 12
13 episodes · 2015
Season 13
3 episodes · 2016
Season 14
15 episodes · 2017
Season 15
8 episodes · 2018
Season 16
9 episodes · 2020
Season 17
7 episodes · 2021