TAIWAN TRADE SURPLUS WIDENS IN FIRST QUARTER Taiwan's trade surplus widened to 4.18 billion U.S. Dlrs in the first quarter of 1987 from 3.05 billion a year ago, the government statistics department said. First quarter exports rose to 11.25 billion U.S. Dlrs from 8.38 billion in the same period in 1986. Imports rose to 7.08 billion from 5.33 billion last year. The March trade surplus was 1.45 billion dlrs compared with 1.32 billion in February and 1.02 billion in March 1986. Exports rose to 4.07 billion U.S. Dlrs from 3.85 billion in February and 2.99 billion in March last year. Imports were 2.61 billion dlrs against 2.53 billion in February and 1.96 billion in March 1986.