Finland 's trade surplus rose to 3.83 billion markka in April from 3.43 billion in March , the National Customs Board ( NCB ) said in a statement on Thursday .
<response> <location>Finland</location> 's trade surplus rose to 3.83 billion markka in April from 3.43 billion in March , the <organization>National Customs Board</organization> ( <organization>NCB</organization> ) said in a statement on Thursday . </response>