How much lower can the vacancy rate in Sydney go ??????
http://www.smh.com.au/news/national/city-to-grow-by-a-million-people/2008/06/01/1212258647599.html
http://www.smh.com.au/news/national/city-to-grow-by-a-million-people/2008/06/01/1212258647599.html