Season 1
3 episodes · 2003
Season 2
10 episodes · 2004
Season 3
7 episodes · 2005
Season 4
4 episodes · 2006
Season 5
17 episodes · 2007
Season 6
19 episodes · 2008
Season 7
16 episodes · 2009
Season 8
13 episodes · 2010
Season 9
12 episodes · 2011
Season 10
11 episodes · 2012
Season 11
10 episodes · 2013
Season 12
10 episodes · 2014
Season 13
2 episodes · 2015
Season 14
4 episodes · 2016
Season 15
3 episodes · 2017
Season 16
5 episodes · 2018
Season 17
3 episodes · 2019
Season 18
4 episodes · 2020
Season 19
5 episodes · 2021
Season 20
5 episodes · 2022
Season 21
2 episodes · 2023