Non-EU trade balance in Italy came in a surplus on an annual basis in the month of March, the latest data released by the statistical office Istat showed on Friday. According to the report, the country's non-EU trade surplus grew from a level of 2.53 billion euro recorded in March 2013 to 2.70 billion euro in March this year, while in February 2014 the surplus was 1.37 billion euro.