Reference 1: Value (USD $ ) and Peak Year.
Reference 2: World, China, European Union, United States, India, Japan, Germany, Russia, Brazil, Indonesia, United Kingdom, France, Mexico, Italy, South Korea, Saudi Arabia, Spain, Canada, Turkey, Iran, Australia and Taiwan.
Source: http://en.wikipedia.org/wiki/World_economy
Reference 2: World, China, European Union, United States, India, Japan, Germany, Russia, Brazil, Indonesia, United Kingdom, France, Mexico, Italy, South Korea, Saudi Arabia, Spain, Canada, Turkey, Iran, Australia and Taiwan.
Source: http://en.wikipedia.org/wiki/World_economy
