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 1996 0.69167 1997 0.46755 1998 0.99285 1999 1.56166 2000 2.64469 2001 4.56621 2002 10.72018 2003 46.50573 2004 60.45319 2005 104.91453 2006 103.63747 2007 129.5623 2008 148.01717 2009 148.37087 2010 155.50588 2011 148.05984 2012 144.51142 2013 144.82123 2014 120.95499 2015 134.4846 2016 139.69647 2017 138.90686