Cross-border trade between Burma and the Chinese province of Yunnan reached US $1.7 billion by October, up 2.2 percent compared to the same period last year, Chinese news agency Xinhua reports. Last year, total trade with Yunnan reached $2 billion, up about 18 percent compared to 2010. Overall trade between Burma and China stood at 6.5 billion last year, a whopping 46 percent year-on-year increase, said Xinhua, without specifying which sectors comprised the burgeoning trade. The agency also cited Burmese government figures which stated that China was the country’s top investor, with $14 billion worth of investment this year by the end of August.