This is the way the data is reported in the World Factbook, CIA. Hong Kong is a separate administrative area that is why it is reported separately from China. The EU is reported as a whole and by constituent country.

Facts that stand to mind:
Canada’s exports $402 billion are far larger than India, $272 billion.
China without Hong Kong exports 7 times the volume of India.
On a per capita basis, Germany is the biggest exporter.