Year Number per 100,000 adults 2004-01-01 4.155890000000000 2005-01-01 3.999080000000000 2006-01-01 4.059380000000000 2007-01-01 4.328290000000000 2008-01-01 5.762640000000000 2009-01-01 7.136860000000000 2010-01-01 8.590390000000000 2011-01-01 9.541260000000001 2012-01-01 10.048700000000000 2013-01-01 10.347600000000000 2014-01-01 10.770800000000000 2015-01-01 12.159100000000000