Year Per 100 People 1960 0.91635 1965 1.34097 1970 2.86935 1975 5.26138 1976 5.76731 1977 6.18765 1978 6.6425 1979 7.06352 1980 7.50372 1981 7.80083 1982 8.22339 1983 8.74784 1984 9.81816 1985 10.06306 1986 11.11532 1987 12.1637 1988 13.28028 1989 14.36883 1990 15.40748 1991 16.36397 1992 17.06957 1993 17.78694 1994 18.57794 1995 19.40816 1996 21.05012 1997 22.95825 1998 24.81646 1999 26.4192 2000 27.70297 2001 28.99207 2002 30.25516 2003 31.53311 2004 32.81924 2005 34.13457 2006 35.17425 2007 38.50165 2008 39.10765 2009 41.98901 2010 43.68805 2011 44.44187 2012 46.52835 2013 47.14259 2014 47.595 2015 47.86828 2016 47.6304 2017 47.52493