KARACHI: Overseas Pakistani workers sent remittances amounting to over $19.9 billion in 2015-16, up 6.4% from the preceding fiscal year, according to data released by the State Bank of Pakistan (SBP) on Friday. As for the last month of 2015-16 alone, home remittances crossed the $2 billion mark for the first time in history. They clocked up at $2.1 billion in June, up 13.8% on a year-on-year basis. The hike in remittances in June can…