more data, http://www.ato.gov.au/corporate/content.asp?doc=/content/00177078.htm
interests 2005-06 ----- 2006-07
1----------- 1,081,067 ----- 1,118,260
2----------- 272,677 ----- 281,944
3----------- 82,283 ----- 85,193
4----------- 29,738 ----- 31,227...