| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 57759.3 | 11652.0 | 5373.2 | 2113.5 | 831.3 |
| 1989 | 78574.7 | 32588.6 | 6563.7 | 2113.5 | 831.3 |
| 1990 | 123070.0 | 34522.0 | 14293.6 | 1969.8 | 634.3 |
| 1991 | 133871.0 | 60417.5 | 16930.1 | 5576.2 | 768.4 |
| 1992 | 151437.0 | 69121.2 | 31173.5 | 7469.9 | 2460.3 |
| 1993 | 117348.0 | 64680.3 | 29507.9 | 11919.5 | 2856.2 |
| 1994 | 206786.0 | 47209.9 | 26011.6 | 10916.1 | 4409.5 |
| 1995 | 300462.0 | 80729.9 | 18423.5 | 9285.3 | 3896.7 |
| 1996 | 127355.0 | 89520.3 | 24038.6 | 4805.2 | 2421.8 |
| 1997 | 177104.0 | 55484.5 | 38977.7 | 9143.9 | 1827.8 |
| 1998 | 214400.0 | 71243.9 | 22310.2 | 14227.2 | 3337.6 |
| 1999 | 111217.0 | 59562.9 | 19781.4 | 5465.3 | 3485.2 |
| 2000 | 160006.0 | 39277.6 | 21023.2 | 6140.2 | 1696.4 |
| 2001 | 174085.0 | 71846.9 | 17628.5 | 8503.4 | 2483.5 |
| 2002 | 206716.0 | 85533.2 | 35284.9 | 7841.9 | 3782.6 |
| 2003 | 145039.0 | 62848.5 | 25993.8 | 9746.0 | 2166.0 |
| 2004 | 109660.0 | 58925.8 | 25521.0 | 9434.7 | 3537.4 |
| 2005 | 170081.0 | 60737.1 | 32618.4 | 12426.7 | 4594.0 |
| 2006 | 63533.2 | 50678.8 | 18088.1 | 8625.1 | 3285.9 |
| 2007 | 101351.0 | 52497.3 | 41852.6 | 13196.2 | 6292.5 |
| 2008 | 57004.0 | 53418.4 | 27661.1 | 20620.1 | 6501.6 |
| 2009 | 9610.6 | 4490.8 | 4205.2 | 1840.0 | 1371.7 |
| 2010 | 7249.3 | 3629.6 | 1691.7 | 889.5 | 389.2 |
| 2011 | 15351.4 | 4419.7 | 2205.5 | 486.6 | 255.9 |
| 2012 | 22171.5 | 10974.1 | 3147.1 | 654.1 | 144.3 |
| 2013 | 90997.8 | 16346.7 | 8064.4 | 1103.8 | 229.4 |