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 1988 0.37634 1989 0.89431 1990 1.71685 1991 2.64506 1992 3.76242 1993 5.44472 1994 6.96028 1995 8.79619 1996 12.0862 1997 23.25483 1998 29.3372 1999 42.70829 2000 70.19489 2001 74.44052 2002 80.19446 2003 84.17867 2004 91.31953 2005 97.6299 2006 103.83137 2007 125.17834 2008 132.23368 2009 138.6522 2010 145.53081 2011 150.5849 2012 153.05757 2013 157.40266 2014 148.73883 2015 148.73912 2016 150.48053 2017 148.24017