Season 1
13 episodes
5 September 2001 - 13 December 2001
Season 2
13 episodes
11 March 2002 - 15 May 2002
Season 3
13 episodes
2 October 2002 - 18 December 2002
Season 4
13 episodes
29 May 2003 - 21 August 2003
Season 5
12 episodes
6 July 2004 - 21 September 2004
Season 6
13 episodes
16 November 2004 - 8 February 2005
Season 7
12 episodes
1 March 2005 - 10 May 2005
Season 8
13 episodes
27 September 2005 - 13 December 2005
Season 9
12 episodes
28 February 2006 - 17 May 2006
Season 10
13 episodes
17 September 2006 - 10 December 2006
Season 11
13 episodes
18 February 2007 - 6 May 2007
Season 12
11 episodes
4 November 2007 - 20 January 2008
Season 13
11 episodes
28 September 2008 - 7 December 2008
Season 14
12 episodes
15 February 2009 - 10 May 2009
Season 15
11 episodes
27 September 2009 - 6 December 2009
Season 16
12 episodes
14 February 2010 - 9 May 2010
Season 17
12 episodes
26 September 2010 - 12 December 2010
Season 18
12 episodes
20 February 2011 - 8 May 2011
Season 19
12 episodes
25 September 2011 - 11 December 2011
Season 20
12 episodes
19 February 2012 - 6 May 2012
Season 21
12 episodes
30 September 2012 - 9 December 2012
Season 22
12 episodes
17 February 2013 - 5 May 2013
Season 23
12 episodes
29 September 2013 - 8 December 2013
Season 24
12 episodes
23 February 2014 - 18 May 2014
Season 25
12 episodes
26 September 2014 - 19 December 2014
Season 26
12 episodes
25 February 2015 - 15 May 2015
Season 27
12 episodes
25 September 2015 - 11 December 2015
Season 28
12 episodes
12 February 2016 - 13 May 2016
Season 29
12 episodes
30 March 2017 - 1 June 2017
Season 30
12 episodes
3 January 2018 - 21 February 2018
Season 31
11 episodes
17 April 2019 - 26 June 2019
Season 32
12 episodes
14 October 2020 - 16 December 2020
Season 33
11 episodes
5 January 2022 - 2 March 2022
Season 34
12 episodes
21 September 2022 - 7 December 2022
Season 35
12 episodes
27 September 2023 - 13 December 2023
Season 36
10 episodes
13 March 2024 - 15 May 2024
Season 37
12 episodes
5 March 2025 - 15 May 2025