The economy of Australia is one of the largest capitalist economies in the world with a GDP of US$1.5 trillion as of 2013.[23]Australia's total wealth is 6.4 trillion dollars.[24] In 2012, it was the 12th largest national economy by nominal GDP[25] and the 17th-largest measured by PPP-adjusted GDP, about 1.7% of the world economy. Australia is the 19th-largest importer and 19th-largest exporter. The Reserve Bank of Australia publishes forecasts of the economy quarterly.