Column 1 Column 2 Column 3 Column 4 0 9/15/2015 1,173,569 52,847 22.206918 1 8/31/2015 1,121,843 80,307 13.969430 2 8/14/2015 1,109,692 92,695 11.971433 3 7/31/2015 1,294,793 71,308 18.157752 4 7/15/2015 1,236,282 66,043 18.719350 5 6/30/2015 1,314,791 127,963 10.274775 6 6/15/2015 1,320,495 52,596 25.106377 7 5/29/2015 1,485,201 82,883 17.919248