<prompt> Human: During 2016, passive fund strategies in the United States took in a record 504.8 billion, far outpacing the previous high-water mark of 422.7 billion set in 2014 and 2015s tally of 418.5 billion. By way of contrast, last years inflows for passive funds was double the groups take in 2007.Meanwhile, active funds experienced outflows of 340.1 billion in 2016, exceeding the 230.5 billion net withdrawals seen in 2015, and even higher than during the financial crisis year of 2008 when active funds saw outflows of 208.4 billion.The primary reason: the remarkable exodus from actively managed U.S. equity funds.  <response>: Actively managed in this case meaning funds with additional fees and no measurable improvement in the funds performance. 