Year Per 100 People 2000 2.80354 2001 6.59714 2002 9.41631 2003 12.23269 2004 15.68298 2005 27.90248 2006 27.36288 2007 30.34186 2008 31.42652 2009 31.62184 2010 31.94338 2011 31.98282 2012 32.2105 2013 32.73566 2014 33.86604 2015 35.80905 2016 37.40539 2017 37.69546