| 44th 12th November 2013 to 9 May 2016 |
| 43rd 28th September 2010 to 5 August 2013 |
| 42nd 12th February 2008 to 19 July 2010 |
| 41st 16th November 2004 to 17th October 2007 |
| 40th 12th February 2002 to 30th August 2004 |
| 39th 10th November 1998 to 27th September 2001 |
| 38th 30th April 1996 to 31st August 1998 |
| 37th 4th May 1993 to 29th January 1996 |
| 36th 8th May 1990 to 8th February 1993 |
| 35th 14th September 1987 to 19th February 1990 |
| 34th 21st February 1985 to 5th June 1987 |
| 33rd 21st April 1983 to 26th October 1984 |
| 32nd 25th November 1980 to 4th February 1983 |
| 31st 21st February 1978 to 19th September 1980 |
| 30th 17th February 1976 to 10th November 1977 |
| 29th 9th July 1974 to 11th November 1975 |
| 28th 27th February 1973 to 11th April 1974 |
| 27th 25th November 1969 to 2nd November 1972 |
| 26th 21st February 1967 to 29th September 1969 |
| 25th 25th February 1964 to 31st October 1966 |
| 24th 20 February 1962 to 1st November 1963 |
| 23rd 17th February 1959 to 2nd November 1961 |
| 22nd 15th February 1956 to 14th October 1958 |
| 21st 4th August 1954 to 4th November 1955 |
| 20th 12th June 1951 to 21st April 1954 |
| 19th 22nd May 1950 to 19th March 1951 |
| 18th 6th November 1946 to 31st October 1949 |
| 17th 23rd September 1943 to 16th August 1946 |
| 16th 20th November 1940 to 7th July 1943 |
| 15th 30th November 1937 to 27th August 1940 |
| 14th 23rd October 1934 to 21st September 1937 |
| 13th 17th February 1932 to 7th August 1934 |
| 12th 20th November 1929 to 27th November 1931 |
| 11th 6th February 1929 to 16th September 1929 |
| 10th 13th January 1926 to 9th October 1928 |
| 9th 28th February 1923 to 3rd October 1925 |
| 8th 26th February 1928 to 6th November 1922 |
| 7th 14th June 1917 to 3rd November 1919 |
| 6th 8th October 1914 to 26th March 1917 |
| 5th 9th July 1913 to 30th July 1914 |
| 4th 1st July 1910 to 23rd April 1913 |
| 3rd 20th February 1907 to 19th February 1910 |
| 2nd 2nd March 1904 to 5th November 1906 |
| 1st 9th April 1901 to 23rd November 1903 |