Korean currency
The yen was the currency of Korea during the Colonial rule, from 1910 to 1945, and was issued by the Bank of Joseon It was equivalent to the Japanese yen and consisted of Japanese currency and banknotes issued specifically for Korea. It was replaced by the South Korean won at par in 1945, and by the North Korean won in 1947.
Economy of North Korea
The South Korea-based Bank of Korea estimated that over 2000 to 2013 average growth was 1.4% per year. It estimated that the real GDP of North Korea in 2015 was 30,805 billion South Korean won. The same year, it published the following estimates of North Korea's GDP growth: