Year Manatees Killed Powerboat Registrations(000s) 1982 13 447 1983 21 460 1984 24 481 1985 16 498 1986 24 513 1987 20 512 1988 15 527 1989 34 559 1990 33 585 1992 33 614 1993 39 646 1994 43 675 1995 50 711 1996 47 719 1997 53 716 1998 38 716 1999 35 716 2000 49 735 2001 81 860 2002 95 923 2003 73 940 2004 69 946 2005 79 974 2006 92 988 2007 73 992 2008 90 932 2009 97 949 2010 83 914 2011 88 890 2012 81 870 2013 72 865 2014 69 873.5 2015 86 889 2016 106 905 2017 111 918