| Year | Prime Minister |
| 1868 - 1874 | |
| 1841 - 1846 | |
| 1886 | |
| 1970 - 1974 | |
| 1770 - 1782 | |
| July 16 - November 14, 1834 | |
| 1827 - 1828 | |
| 1852 | |
| 1924 - 1929 | |
| 1997 - 2007 | |
| 1852 - 1855 | |
| 1834 - 1835 | |
| 1806 - 1807 | |
| 1807 - 1809 | |
| 1929 - 1935 | |
| 1827 | |
| 1865 - 1866 | |
| 1874 - 1880 | |
| 1866 - 1868 | |
| 1855 - 1858 | |
| 1782 - 1783 | |
| 1976 - 1979 | |
| 1782 | |
| 1830 - 1834 | |
| 1908 - 1916 | |
| | Year | Prime Minister |
| 1757 - 1762 | |
| 1886 - 1892 | |
| 1763 - 1765 | |
| 1756 - 1757 | |
| 1924 | |
| 1905 - 1908 | |
| 1894 - 1895 | |
| 1783 - 1801 | |
| 1955 - 1957 | |
| 1937 - 1940 | |
| 1951 - 1955 | |
| 1835 - 1841 | |
| 1858 - 1859 | |
| 1974 - 1976 | |
| 1859 - 1865 | |
| 2007 - 2010 | |
| 1754 - 1756 | |
| 1923 - 1924 | |
| 1809 - 1812 | |
| 1880 - 1885 | |
| 1768 - 1770 | |
| 1868 | |
| 1957 - 1963 | |
| November 14 - December 10, 1834 | |
| 1895 - 1902 | |
| | Year | Prime Minister |
| 1765 - 1766 | |
| 1812 - 1827 | |
| 1762 - 1763 | |
| 1945 - 1951 | |
| 2010 - | |
| 1846 - 1852 | |
| 1743 - 1754 | |
| 1916 - 1922 | |
| 1935 - 1937 | |
| 1963 - 1964 | |
| 1742 - 1743 | |
| 1801 - 1804 | |
| 1922 - 1923 | |
| 1964 - 1970 | |
| 1990 - 1997 | |
| 1885 - 1886 | |
| 1979 - 1990 | |
| 1940 - 1945 | |
| 1804 - 1806 | |
| 1828 - 1830 | |
| 1721 - 1742 | |
| 1783 | |
| 1766 - 1768 | |
| 1902 - 1905 | |
| 1892 - 1894 | |
|