year, 望安島,蘭嶼島,琉球嶼 1992,8,, 1993,8,, 1994,13,, 1995,10,, 1996,11,, 1997,14,11, 1998,19,5, 1999,2,4, 2000,4,5, 2001,12,7, 2002,11,13, 2003,5,5, 2004,6,5, 2005,6,9, 2006,7,11, 2007,5,6, 2008,2,6, 2009,6,4, 2010,5,21, 2011,3,4,2 2012,4,10,3 2013,5,10,6 2014,1,7,2 2015,2,10,1 2016,,24,4 2017,6,9,3 2018,2,11,2 2019,,12,3 2020,4,25,4