North Korea earns $200 million by illegal export

North Korea, who is under sanctions of United Nations, made a profit of nearly $200 million thanks to prohibited export in the first 9 months of 2017. The product that was exported out the most, and forbidden by the sanctions of the UN, was coal.
The goods were transported with North-Korean ships that sailed under the flags of other countries and with false documentation to hide the true origin.
The experts of UN made a report in which they said that North Korea illegaly exported out coal, iron and other raw material in China, India, Malaysia and Sri Lanka, with that act North Korea gain at least $270 million.
The sanctions to Pyongyang were tighten because the North Korean lider, Kim Jong-un, is improving nuclear arms.