Year Per 100 People 1960 0 1965 0 1970 0 1975 0 1976 0 1977 0 1978 0 1979 0 1980 0 1981 0 1982 0 1983 0 1984 0 1985 0 1986 0 1987 0 1988 0 1989 0 1990 0 1991 0 1992 0 1993 0.00732 1994 0.04829 1995 0.0954 1996 0.10849 1997 0.15794 1998 0.376 1999 0.89358 2000 1.79625 2001 3.22519 2002 4.5874 2003 8.90511 2004 13.91083 2005 20.8089 2006 33.58072 2007 45.31389 2008 55.55454 2009 59.02259 2010 69.05609 2011 83.0524 2012 99.56807 2013 114.51765 2014 117.5235 2015 119.43619 2016 125.94476 2017 131.56043