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 0.5344 1996 1.23995 1997 2.42568 1998 4.84289 1999 9.41353 2000 16.81714 2001 27.89371 2002 21.32601 2003 24.18521 2004 38.12928 2005 47.07987 2006 58.95312 2007 67.09556 2008 71.10978 2009 78.41713 2010 80.61011 2011 82.57654 2012 83.76831 2013 88.98358 2014 92.60901 2015 96.63078 2016 99.96538