year,yrclass,yearlings,tows
1986,1985,67,127
1987,1986,55,138
1988,1987,4,138
1989,1988,4,138
1990,1989,17,90
1991,1990,68,137
1992,1991,549,138
1993,1992,65,138
1994,1993,199,135
1995,1994,7,138
1996,1995,27,138
1997,1996,673,138
1998,1997,132,138
1999,1998,328,138
2000,1999,18,138
2001,2000,30,138
2002,2001,1832,137
2003,2002,219,138
2004,2003,530,138
2005,2004,337.5,130
2006,2005,584.5,138
2007,2006,212,138
2008,2007,60,137
2009,2008,1257,129
2010,2009,109,138