When Did Growth in South Korea Plummet?

The NYT has an article that discussed the possibility that China's economy will be less focused on investment and more focused on consumption and improving the quality of life of the Chinese people. It notes the extraordinary share of GDP in China that is devoted to investment and includes a graph that shows in the the 1980s both Japan and South Korea also had an extraordinary share of GDP devoted to investment. It then tells readers that:

"Growth in Japan and South Korea started to slow and...