Year Number per 1,000 adults 2001-01-01 21.80100000000000 2002-01-01 28.47380000000000 2003-01-01 28.47380000000000 2004-01-01 98.56890000000000 2005-01-01 111.14500000000000 2006-01-01 128.36200000000000 2007-01-01 149.74200000000002 2008-01-01 160.32500000000000 2009-01-01 187.65900000000002 2010-01-01 214.85600000000000 2011-01-01 191.21500000000000 2012-01-01 105.13799999999999 2013-01-01 170.91800000000000 2014-01-01 187.96800000000000 2015-01-01 198.87400000000002 2016-01-01 199.70100000000000