Season 1
12 episodes · 2003
Season 2
10 episodes · 2004
Season 3
3 episodes · 2005
Season 4
8 episodes · 2006
Season 5
3 episodes · 2007
Season 6
3 episodes · 2008
Season 7
10 episodes · 2009
Season 8
9 episodes · 2010
Season 9
9 episodes · 2011
Season 10
9 episodes · 2012
Season 11
12 episodes · 2013
Season 12
6 episodes · 2014
Season 13
8 episodes · 2015
Season 14
8 episodes · 2016
Season 15
8 episodes · 2017
Season 16
8 episodes · 2018
Season 17
14 episodes · 2019
Season 18
9 episodes · 2020
Season 20
4 episodes · 2022