The transition from a socialist planned economy to a capitalist mixed economy in Albania has been largely successful. The country has a developing mixed economy classified by the World Bank as an upper-middle income economy. In 2016, it had the 4th lowest unemployment rate in the Balkans with an estimated value of 14.7%. Its largest trading partners are Italy, Greece, China, Spain, Kosovo and the United States. The lek (ALL) is the country's currency and is pegged at approximately 132,51 lek per euro.