According to Chasing the Chinese Tourist Yuan from The Wall Street Journal:

But in the aggregate, Chinese tourists have now passed Germans and Americans to become the biggest spenders abroad. About half of the 83 million Chinese who traveled outside the mainland in 2012 spent more than $5,000 per trip, according to British payment processor WorldPay.

[…]

Chinese authorities expect the number of travelers going overseas to hit 100 million next year. But that will still leave 93% of the population at home—potential travelers. The travel industry, hoping that the number of Chinese travelers keeps climbing, is preparing to serve the next wave.