Canada has the 11th (nominal) or 15th-largest (PPP) economy in the world (measured in US dollars at market exchange rates), is one of the world's wealthiest nations, and is a member of the Organisation for Economic Co-operation and Development (OECD) and Group of Seven (G7). As with other developed nations, the Canadian economy is dominated by the service industry, which employs about three quarters of Canadians. Canada is unusual among developed countries in the importance of the primary sector, with the logging and oil industries being two of Canada's most important. Canada also has a sizable manufacturing sector, based in Central Canada, with the automobile industry and aircraft industry being especially important. With a long coastline, Canada has the 8th largest commercial fishing and seafood industry in the world. Canada is one of the global leaders of the entertainment software industry.