The data below is in a format known as tab-delimited values. You can open this file with any spreadsheet application and the data will be distributed into the appropriate rows and columns. 

1860	2.0
1865 	1.5
1870	1.5
1875	1.8
1880	11.8
1885	2.7
1890	3.0
1895	3.5
1900	2.9
1905	2.1
1910	2.0
1915	3.3
1920	4.6
1925	4.5
1930	6.4
1935	10.5
1940	15.0
1945	20.8
1950	18.0
1955	20.2
1960	25.5
1965	28.9
1970	37.5
1975	37.4
1980	45.4
1985	50.1
1990	48.0
1997	59.0 
1999	51.4 
2003	45.0
2008	49.6

See the web-page for source information

Downloaded from Te Ara | The Encyclopedia of New Zealand
www.TeAra.govt.nz