A Guzman Y Gomez location in Port Macquarie, Australia.James D. Morgan via Getty ImagesRestaurant chain Guzman y Gomez went public in Australia, raising $162 million.Thursday's IPO is Australia's largest in nearly a year, with shares up 36% from the offer price.Funds will fuel GYG's plan to expand to 1,000 outlets in Australia over the next 20 years.Asia's version of Chipotle — a Mexican fast-casual chain called Guzman y Gomez — just went public in Australia.Shares of the quick-service restaurant began trading on the Australian Securities Exchange on Thursday.