Total pig numbers continued to decline marginally in 2009-10 by 12,000 head, down to 2.3 million head. Falls were recorded in all states except Victoria which registered a substantial increase of 96,000 head, up by 23%.
http://www.abs.gov.au/ausstats%5Cabs@.nsf/mediareleasesbyCatalogue/D793AD9EE6BCF107CA257456001F1839?Opendocument