Year Per 100 People 1982 12.15678 1983 12.38641 1984 12.63863 1985 12.92693 1986 13.26346 1987 13.64058 1988 14.01867 1989 14.34653 1990 14.58001 1991 14.69593 1992 14.71369 1993 14.68878 1994 14.70094 1995 14.79531 1996 14.99788 1997 18.16072 1998 18.17627 1999 18.08882 2000 17.80324 2001 18.63173 2002 19.2697 2003 18.91144 2004 16.30744 2005 15.92083 2006 16.79374 2007 17.06952 2008 18.24353 2009 19.21372 2010 19.32148 2011 18.63408 2012 17.63484 2013 16.48945 2014 17.23496 2015 17.30928 2016 30.23743