Year Number per 1,000 adults 2008-01-01 1026.3600000000000 2009-01-01 1024.5500000000000 2010-01-01 1067.0800000000000 2011-01-01 1055.3000000000000 2012-01-01 944.2810000000001 2013-01-01 952.1010000000001 2014-01-01 931.7950000000000 2015-01-01 1004.3900000000000 2016-01-01 989.3689999999999