1851 2.436 1861 3.230 1871 3.689 1881 4.325 1891 4.833 1901 5.371 1911 7.207 1921 8.788 1931 10.377 1941 11.507 1951 13.648 1961 17.780 1971 21.046 1981 23.774 1991 26.429