Season 1

8 episodes

2005

Season 2

32 episodes

2006

Season 3

27 episodes

2007

Season 4

29 episodes

2008

Season 5

25 episodes

2009

Season 6

29 episodes

2010

Season 7

31 episodes

2011

Season 8

31 episodes

2012

Season 9

32 episodes

2013

Season 10

Season 11

Season 12

Season 13

Season 14

Season 15