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 0.00724 1993 0.03384 1994 0.12365 1995 0.40796 1996 1.41445 1997 4.61848 1998 7.52757 1999 9.40729 2000 14.96358 2001 29.3066 2002 47.77026 2003 61.56972 2004 90.24116 2005 130.177 2006 142.81734 2007 150.673 2008 156.24326 2009 156.57482 2010 156.5713 2011 160.33087 2012 164.53277 2013 152.33457 2014 144.08555 2015 142.70664 2016 144.57813 2017 150.89553