1: October 2005 – September 2006
2: October 2006 – September 2007
3: October 2007 – September 2008
4: October 2008 – March 2009
5: April 2009 – September 2009
6: October 2009 – January 2010
7: February 2010 – May 2010
8: June 2010 – September 2010
9: October 2010 – January 2011
10: February 2011 – May 2011
11: June 2011 – September 2011
12: October 2011 – December 2011
13: January 2012 – March 2012
14: April 2012 – June 2012
15: July 2012 – September 2012
16: October 2012 – March 2013
17: April 2013 – September 2013
18: October 2013 – March 2014
19: April 2014 – September 2014
20: October 2014 – September 2015
21: October 2015 – September 2016
22: October 2016 – September 2017
23: October 2017 – September 2018
24: October 2018 – September 2019
25: October 2019 – September 2020
26: October 2020 – September 2021
27: October 2021 – September 2022
28: October 2022 – September 2023
29: October 2023 – September 2024
30: October 2024 – September 2025
31: October 2025 – September 2026