N. Korea's economy shrinks 3.5 pct in 2017: BOK /3韓国中銀曰くこの20年で最悪。estimated GDPは前年3.9%成長/ trade volume stood at $5.55 billion last year, down15 % from a year earlier,〜Exports tumbled 37.2 % to $1.77 billion, while imports inched up 1.8 % to $3.78 billion.