I did, and they are growing at 9% a year were even if you are an optimist, US is stagnent. At this rate, it will be less than 10 years and China will be the #1 by monitary exchange terms.
But in reality, since the yan isn't hayper inflated like the USD is, they are already past the US. Their middle class _workforce_ is as large as Canada, US and Mexico combined has people.
They can certa> Actually if you do a search you will discover that the Chinese GDP is less