ranking as at 1 April 2024 1 March 2024 1 February 2024 1 January 2024 1 December 2023 1 November 2023 1 October 2023 1 September 2023 1 August 2023 1 July 2023 1 June 2023 1 May 2023 1 April 2023 1 March 2023 1 February 2023 1 January 2023 1 December 2022 1 November 2022 1 October 2022 1 September 2022 1 August 2022 1 July 2022 1 June 2022 1 May 2022 1 April 2022 1 March 2022 1 February 2022 1 January 2022 1 December 2021 1 November 2021 1 October 2021 1 September 2021 1 August 2021 1 July 2021 1 June 2021 1 May 2021 1 April 2021 1 March 2021 1 February 2021 1 January 2021 1 December 2020 1 November 2020 1 October 2020 1 September 2020 1 August 2020 1 July 2020 1 June 2020 1 May 2020 1 April 2020 1 March 2020 1 February 2020 1 January 2020 1 December 2019 1 November 2019 1 October 2019 1 September 2019 1 August 2019 1 July 2019 1 June 2019 1 May 2019 1 April 2019 1 March 2019 1 February 2019 1 January 2019 1 December 2018 1 November 2018 1 October 2018 1 September 2018 1 August 2018 1 July 2018 1 June 2018 1 May 2018 1 April 2018 1 March 2018 1 February 2018 1 January 2018 1 December 2017 1 November 2017 1 October 2017 1 September 2017 1 August 2017 1 July 2017 1 June 2017 1 May 2017 1 April 2017 1 March 2017 1 February 2017 1 January 2017 1 December 2016 1 November 2016 1 October 2016 1 September 2016 1 August 2016 1 July 2016 1 June 2016 1 May 2016 1 April 2016 1 March 2016 1 February 2016 1 January 2016 1 December 2015 1 November 2015 1 October 2015 1 September 2015 1 August 2015 1 July 2015 1 June 2015 1 May 2015 1 April 2015 1 March 2015 1 February 2015 1 January 2015 1 December 2014 1 November 2014 1 October 2014 1 September 2014 1 August 2014 1 July 2014 1 June 2014 1 May 2014 1 April 2014 1 March 2014 1 February 2014 1 January 2014 1 December 2013 1 November 2013 1 October 2013 1 September 2013 1 August 2013 1 July 2013 1 June 2013 1 May 2013 1 April 2013 1 March 2013 1 February 2013 1 January 2013 1 December 2012 1 November 2012 1 October 2012 1 September 2012 1 August 2012 1 July 2012 1 June 2012 1 May 2012 1 April 2012 1 March 2012 1 February 2012 1 January 2012 1 December 2011 1 November 2011 1 October 2011 1 September 2011 1 August 2011 1 July 2011 1 June 2011 1 May 2011 1 April 2011 1 March 2011 1 February 2011 1 January 2011 1 December 2010 1 November 2010 1 October 2010 1 September 2010 1 August 2010 1 July 2010 1 June 2010 1 May 2010 1 April 2010 1 March 2010 1 February 2010 1 January 2010 1 December 2009 1 November 2009 1 October 2009 1 September 2009 1 August 2009 1 July 2009 1 June 2009 1 May 2009 1 April 2009 1 March 2009 1 February 2009 1 January 2009 1 December 2008 1 November 2008 1 October 2008 1 September 2008 1 August 2008 1 July 2008 1 June 2008 1 May 2008 1 April 2008 1 March 2008 1 February 2008 1 January 2008 1 December 2007 1 November 2007 1 October 2007 1 September 2007 1 August 2007 1 July 2007 1 June 2007 1 May 2007 1 April 2007 1 March 2007 1 February 2007 1 January 2007 1 December 2006 1 November 2006 1 October 2006 1 September 2006 1 August 2006 1 July 2006 1 June 2006 1 May 2006 1 April 2006 1 March 2006 1 February 2006 1 January 2006 1 December 2005 1 November 2005 1 October 2005 1 September 2005 1 August 2005 1 July 2005 1 June 2005 1 May 2005 1 April 2005 1 March 2005 1 February 2005 1 January 2005 1 December 2004 1 November 2004 1 October 2004 1 September 2004 1 August 2004 1 July 2004 1 June 2004 1 May 2004 1 April 2004 1 March 2004 1 February 2004 1 January 2004 1 December 2003 1 November 2003 1 October 2003 1 September 2003 1 August 2003 1 July 2003 1 June 2003 1 May 2003 1 April 2003 1 March 2003 1 February 2003 1 January 2003 1 December 2002 1 November 2002 1 October 2002 1 September 2002 1 August 2002 1 July 2002 1 June 2002 1 May 2002 1 April 2002 1 March 2002 1 February 2002 1 January 2002 1 December 2001 1 November 2001 1 October 2001 1 September 2001 1 August 2001 1 July 2001 1 June 2001 1 May 2001 1 April 2001 1 March 2001 1 February 2001 1 January 2001 1 December 2000 1 November 2000 1 October 2000 1 September 2000 1 August 2000 1 July 2000 1 June 2000 1 May 2000 1 April 2000 1 March 2000 1 February 2000 1 January 2000 1 December 1999 1 November 1999 1 October 1999 1 September 1999 1 August 1999 1 July 1999 1 June 1999 1 May 1999 1 April 1999 1 March 1999 1 February 1999 1 January 1999 1 December 1998 1 November 1998 1 October 1998 1 September 1998 1 August 1998 1 July 1998 1 June 1998 1 May 1998 1 April 1998 1 March 1998 1 February 1998 1 January 1998 1 December 1997 1 November 1997 1 October 1997 1 September 1997 1 August 1997 1 July 1997 1 June 1997 1 May 1997 1 April 1997 1 March 1997 1 February 1997 1 January 1997 1 December 1996 1 November 1996 1 October 1996 1 September 1996 1 August 1996 1 July 1996 1 June 1996 1 May 1996 1 April 1996 1 March 1996 1 February 1996 1 January 1996 1 December 1995 1 November 1995 1 October 1995 1 September 1995 1 August 1995 1 July 1995 1 June 1995 1 May 1995 1 April 1995 1 March 1995 1 February 1995 1 January 1995 1 December 1994 1 November 1994 1 October 1994 1 September 1994 1 August 1994 1 July 1994 1 June 1994 1 May 1994 1 April 1994 1 March 1994 1 February 1994 1 January 1994 1 December 1993 1 November 1993 1 October 1993 1 September 1993 1 August 1993 1 July 1993 1 June 1993 1 May 1993 1 April 1993 1 March 1993 1 February 1993 1 January 1993 1 December 1992 1 November 1992 1 October 1992 1 September 1992 1 August 1992 1 July 1992 1 June 1992 1 May 1992 1 April 1992 1 March 1992 1 February 1992 1 January 1992 1 December 1991 1 November 1991 1 October 1991