Year per 100 people 1970 13.29155986 1971 15.3106 1972 15.3106 1973 15.3106 1974 15.3106 1975 17.76520919 1976 19.02324294 1977 20.50807092 1978 21.59278547 1979 23.20185615 1980 24.26900585 1984 32.84882298 1985 34.45476727 1986 35.05293985 1987 38.18150299 1988 39.86475205 1989 43.23368692 1990 47.37206086 1991 43.14191661 1992 44.47117899 1993 46.64425062 1994 56.05067159 1995 59.17322115 1997 53.47536468 1998 74.90120717 1999 82.28489359 2000 88.25457663 2001 92.5610172 2002 89.50442811 2003 86.63535634 2004 83.91114252 2005 81.32343185 2006 78.87581211 2007 70.59842488 2008 69.96068306 2009 68.72552374 2010 69.07386175 2011 67.08894976 2012 65.76151952 2013 63.07462379 2014 55.24345198 2015 55.05409532 2016 54.80129791 2017 54.68300278 2019 54.43493513 2020 53.48388055 2021 52.83550546