The Australian Department of Agriculture, Fisheries and Forestry has recently released the “Australian Food Statistics 2009-2010”.
It notes that in the 20 year period between 1987 to 2007 the consumption of tree nuts has increased by 157%.

According to the Department, Australia is the world’s 14th largest food exporter, with a significant food surplus of $14.2 billion in 2009-10. Go to the DAFF website for further information.