Year	Number per 1,000 adults
2004-01-01	248.13700000000000
2005-01-01	254.53799999999998
2006-01-01	259.08200000000000
2007-01-01	263.67900000000003
2008-01-01	269.12300000000000
2009-01-01	271.04800000000000
2010-01-01	324.73100000000000
2011-01-01	463.83300000000000
2012-01-01	532.18500000000000
2013-01-01	511.93199999999996
2014-01-01	519.96500000000000
2015-01-01	560.57900000000010
2016-01-01	595.70500000000000