Year,F,F_threshold,Abundance_mnum,Abundance_threshold 1982,1,1.46,13.33,12.07 1983,0.86,1.46,15.35,12.07 1984,1,1.46,14.18,12.07 1985,1.17,1.46,13.36,12.07 1986,2.12,1.46,9.91,12.07 1987,2.1,1.46,10.09,12.07 1988,1.7,1.46,12.13,12.07 1989,1.31,1.46,16.34,12.07 1990,1.23,1.46,15.36,12.07 1991,1.28,1.46,12.01,12.07 1992,2.13,1.46,9.95,12.07 1993,1.29,1.46,12.51,12.07 1994,1.3,1.46,13.86,12.07 1995,1.32,1.46,12.56,12.07 1996,1.88,1.46,11.45,12.07 1997,1.82,1.46,9.57,12.07 1998,1.41,1.46,11.26,12.07 1999,1.51,1.46,12.89,12.07 2000,1.6,1.46,9.44,12.07 2001,1.84,1.46,8.85,12.07 2002,1.87,1.46,7.68,12.07 2003,2.83,1.46,6.68,12.07