Year	Number per 1,000 adults
2004-01-01	115.78700000000000
2005-01-01	138.01200000000000
2006-01-01	159.89500000000000
2007-01-01	197.55900000000003
2008-01-01	271.99000000000000
2009-01-01	333.26900000000000
2010-01-01	453.32099999999997
2011-01-01	532.26600000000000