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. Main Centres 1864 1878 1891 1906 1921 1936 1951 1966 1981 1996 Male 54.3 51.2 48.2 49.2 48.1 47.4 49 49.2 49.1 48.7 Female 45.7 48.8 51.8 50.8 51.9 52.6 51 50.8 50.9 51.3 Source: Statistics New Zealand New Zealand 1864 1878 1891 1906 1921 1936 1951 1966 1981 1996 Male 60.1 55.7 53.1 53 51.1 50.8 50.2 50.2 49.7 49.2 Female 39.9 44.3 46.9 47 48.9 49.2 49.8 49.8 50.3 50.8 Source: Statistics New Zealand Downloaded from Te Ara | The Encyclopedia of New Zealand www.TeAra.govt.nz