I think they're referring to a graph similar to this I've seen over the years (bottom of the page) https://www.brookings.edu/blog/the-avenue/2014/05/22/china-a-

I think they're referring to a graph similar to this I've seen over the years (bottom of the page) https://www.brookings.edu/blog/the-avenue/2014/05/22/china-a-manufactured-chimera-part-two/ https://www.brookings.edu/blog/the-avenue/2014/05/22/china-a... The ones I've seen never show the US as the biggest slice, but China is always a sliver and the chart is usually dominated by Germany, South Korea, and Japan.