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 1994 0 1995 0 1996 0 1997 0.19542 1998 0.38495 1999 0.56881 2000 0.74686 2001 0.91902 2002 1.26639 2003 2.26142 2004 8.76461 2005 34.52629 2006 66.77897 2007 75.37231 2008 121.90682 2009 155.759 2010 176.68589 2011 161.45957 2012 154.67249 2013 165.19286 2014 136.95893 2015 156.3296 2016 121.71874