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 0.0109 1986 0.0792 1987 0.10106 1988 0.14487 1989 0.17606 1990 0.21582 1991 0.29481 1992 0.28616 1993 1.28071 1994 3.20426 1995 6.57554 1996 10.86959 1997 16.0029 1998 30.64582 1999 48.50648 2000 69.54183 2001 92.92727 2002 106.59731 2003 120.49486 2004 104.02396 2005 111.39214 2006 153.15087 2007 144.18965 2008 145.74164 2009 145.07968 2010 143.14151 2011 147.12689 2012 143.00011 2013 144.72932 2014 144.23457 2015 142.3578 2016 132.69717 2017 136.0859