Year	Number per 1,000 adults
2005-01-01	5.890630000000001
2006-01-01	7.066300000000000
2007-01-01	8.106869999999999
2008-01-01	9.432910000000001
2009-01-01	15.421500000000000
2010-01-01	18.950800000000000
2011-01-01	21.258000000000003
2012-01-01	21.258000000000003
2013-01-01	24.837300000000000
2014-01-01	27.247400000000000
2015-01-01	30.436700000000000
2016-01-01	32.535600000000000