What percent does China account for in the total sales?

A: Where are your biggest markets?
B: In terms of sales by region, Europe is by far the biggest market with 60 percent of our total sales. North America accounts for 15 percent, Asia-Pacific is 10 percent, the Chinese market is particularly strong, South America is 8 percent and the rest of the world is 7 percent.
A: I think you’d better write that down for me! Why are things going so well in China?
B: The Chinese economy is booming and we have a very good sales force there.