Year Number per 1,000 adults 2004-01-01 1.18651 2005-01-01 36.47020 2006-01-01 40.50450 2007-01-01 42.20430 2008-01-01 46.66190 2009-01-01 44.10940 2010-01-01 54.18340 2011-01-01 50.59240 2012-01-01 53.50710 2013-01-01 60.69090 2014-01-01 67.66780