| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 210320.0 | 27927.7 | 9599.7 | 3895.6 | 1580.9 |
| 1989 | 295218.0 | 104332.0 | 13852.7 | 3895.6 | 1580.9 |
| 1990 | 460331.0 | 108498.0 | 38341.0 | 4220.3 | 1186.8 |
| 1991 | 499101.0 | 192766.0 | 45432.5 | 14682.9 | 1616.2 |
| 1992 | 607550.0 | 221958.0 | 85723.8 | 19002.9 | 6141.4 |
| 1993 | 431267.0 | 214693.0 | 78432.7 | 29002.4 | 6429.1 |
| 1994 | 868456.0 | 140688.0 | 70036.0 | 24703.8 | 9134.8 |
| 1995 | 1332330.0 | 274930.0 | 44537.4 | 21344.0 | 7528.7 |
| 1996 | 503502.0 | 303189.0 | 62562.5 | 9524.9 | 4564.7 |
| 1997 | 718388.0 | 181506.0 | 109293.0 | 21286.5 | 3240.8 |
| 1998 | 995108.0 | 234348.0 | 59208.6 | 34302.6 | 6681.0 |
| 1999 | 453375.0 | 206968.0 | 48740.0 | 11660.9 | 6755.7 |
| 2000 | 648338.0 | 127283.0 | 58103.9 | 12902.9 | 3087.0 |
| 2001 | 712274.0 | 243275.0 | 47759.2 | 20897.1 | 4640.5 |
| 2002 | 869445.0 | 298345.0 | 101897.0 | 19210.6 | 8405.6 |
| 2003 | 554725.0 | 201877.0 | 69271.7 | 22782.5 | 4295.2 |
| 2004 | 378582.0 | 184607.0 | 67181.1 | 21994.1 | 7233.6 |
| 2005 | 601886.0 | 184225.0 | 89830.8 | 31015.7 | 10154.1 |
| 2006 | 177464.0 | 136977.0 | 41925.0 | 19469.2 | 6722.1 |
| 2007 | 286594.0 | 139558.0 | 107717.0 | 31222.4 | 14499.1 |
| 2008 | 156926.0 | 130050.0 | 63327.6 | 47509.2 | 13770.9 |
| 2009 | 22761.3 | 7066.2 | 5855.8 | 2616.3 | 1962.8 |
| 2010 | 29375.6 | 6908.7 | 2144.4 | 1149.4 | 513.5 |
| 2011 | 41522.4 | 16071.8 | 3778.9 | 648.7 | 347.7 |
| 2012 | 67097.3 | 27764.9 | 10744.5 | 1577.7 | 270.9 |
| 2013 | 328539.0 | 46301.3 | 19157.9 | 6154.2 | 903.7 |