Cape Verde economic performance was bolstered by one of the fastest growing tourism industries in the world, as well as by substantial capital inflows that allowed Cape Verde to build up national currency reserves to the current 3.5 months of imports. Unemployment has been falling rapidly, and the country is on track to achieve most of the UN Millennium Development Goals – including halving its 1990 poverty level. In 2007, Cape Verde joined the World Trade Organization (WTO) and in 2008 the country graduated from Least Developed Country (LDC) to Middle Income Country (MIC) status. Cape Verde has significant cooperation with Portugal
Boa Vista, Cape Verde salt deposits, which were mainly exploited by the English. In 1820, after many pirate attacks, the population moved to Porto Inglês, later renamed Sal Rei, which had been founded at the end of the 18th century. As did much of the Cape Verdean economy, the exploitation of salt on Boa Vista also relied largely on slavery. A Portuguese-British commission to end slavery was established in Boa Vista in 1842, but slavery was not completely abolished until 1876. Until 1935 the municipality of Boa Vista also covered the island of Sal. In 1975, Cape Verde declared its independence. Administratively, the island