Year per 1,000 people 2000 5.725 2001 5.309 2002 5.012 2003 4.832 2004 4.758 2005 4.881 2006 4.997 2007 5.019 2008 5.066 2009 5.047 2010 5.117 2011 5.204 2012 5.234 2013 5.194 2014 5.195 2015 5.034