 China accounts for 71.36% of East Asia's overall GDP.After 100 years of economic decline up until the late twentieth century until the Deng Xiaoping economic reforms, China's GDP grew 10 percent per year from 1978 until 2000 and tripled between 2000 and 2010.China's rise in the global economy catapulted the Middle Kingdom into East Asia's largest economy, overtaking Japan as the world's second largest economy in August 2010.