Year per 100 people 1975 4.426274365 1976 4.894974819 1977 5.157909396 1978 5.318048867 1979 5.771111459 1980 6.218610591 1981 6.561308773 1982 6.897162163 1983 7.225098318 1984 7.547474558 1985 7.866837664 1986 8.181979117 1987 8.494319147 1988 8.89885724 1989 9.36556213 1990 10.01551292 1991 10.46202387 1992 10.93079112 1993 11.13397904 1994 10.51630951 1995 11.36401844 1996 11.91698353 1997 13.28691268 1998 13.91575124 1999 15.28071453 2000 11.92800665 2001 13.73006325 2002 15.76901787 2003 16.60400839 2004 17.12845274 2005 14.3946933 2006 14.06008388 2007 14.23535826 2008 15.9297966 2009 16.08217473 2010 28.97956673 2011 35.07604806 2012 33.53655652 2013 31.703091 2014 29.07513708 2015 25.19580328 2016 22.2860378 2017 18.92483894 2018 16.03382529 2019 13.78488972 2020 10.29492989 2021 9.188686475 2022 8.041827964