Year Number per 1,000 adults 2004-01-01 127.59000000000000 2005-01-01 138.83800000000000 2006-01-01 191.40800000000000 2007-01-01 208.36599999999999 2008-01-01 207.37099999999998 2009-01-01 213.36500000000000 2010-01-01 239.41099999999997 2011-01-01 258.19700000000000 2012-01-01 270.19500000000000 2013-01-01 289.11400000000003 2014-01-01 303.38800000000000 2015-01-01 335.36900000000000 2016-01-01 344.20500000000000