question: Per Bernanke , how much did the U.S. current account deficit increase between 1996 and 2004 ?
answer: $ 650 billion
turker_answer: Per Barnanke , the U.S. current account deficit increased to $ 650 billion between 1996 and 2004 .
rule-based: Per Bernanke , the U.S. current account deficit increase between 1996 and 2004 did $ 650 billion .