"year"	"population"
1851	2.436
1861	3.23
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	17.78
1971	21.046
1981	23.774
1991	26.429
2001	30.007