The economy of Montenegro is mostly service-based and is in late transition to a market economy. According to the International Monetary Fund, the nominal GDP of Montenegro was $5.424 billion in 2019. The GDP PPP for 2019 was $12.516 billion, or $20,083 per capita. According to Eurostat data, the Montenegrin GDP per capita stood at 48% of the EU average in 2018. The Central Bank of Montenegro is not part of the euro system but the country is "euroised", using the euro unilaterally as its currency.