| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 31307.2 | 10498.3 | 5136.2 | 1598.3 | 497.3 |
| 1989 | 36578.0 | 14788.1 | 4864.6 | 1598.3 | 497.3 |
| 1990 | 49234.4 | 17277.6 | 6823.6 | 1381.9 | 454.0 |
| 1991 | 43012.3 | 23255.9 | 7983.9 | 2000.4 | 405.1 |
| 1992 | 42064.9 | 20317.0 | 10799.0 | 2601.6 | 651.8 |
| 1993 | 29614.8 | 19869.6 | 9455.7 | 3696.3 | 890.5 |
| 1994 | 42117.0 | 13988.8 | 9275.5 | 3456.2 | 1351.1 |
| 1995 | 57273.6 | 19894.3 | 6534.2 | 3436.0 | 1280.3 |
| 1996 | 30354.4 | 27053.5 | 9260.6 | 2244.9 | 1180.5 |
| 1997 | 35416.6 | 14338.1 | 12584.0 | 3132.4 | 759.4 |
| 1998 | 36736.8 | 16729.3 | 6684.4 | 4470.1 | 1112.7 |
| 1999 | 31829.2 | 17352.8 | 7773.1 | 2207.5 | 1476.2 |
| 2000 | 42828.8 | 15034.7 | 8085.8 | 2730.6 | 775.5 |
| 2001 | 53119.1 | 20230.5 | 7015.7 | 2930.0 | 989.5 |
| 2002 | 48016.0 | 25091.2 | 9436.5 | 2520.4 | 1052.6 |
| 2003 | 47234.5 | 22680.7 | 11692.8 | 3322.3 | 887.4 |
| 2004 | 39357.0 | 22311.6 | 10591.0 | 4302.6 | 1222.5 |
| 2005 | 49449.9 | 18590.5 | 10370.8 | 3526.7 | 1432.7 |
| 2006 | 31897.7 | 23357.9 | 8645.8 | 3494.0 | 1188.2 |
| 2007 | 18640.6 | 15067.0 | 10844.0 | 2803.9 | 1133.1 |
| 2008 | 9243.0 | 8805.0 | 7021.0 | 3812.7 | 985.8 |
| 2009 | 9296.9 | 4365.9 | 4076.0 | 2139.7 | 1161.9 |
| 2010 | 7393.7 | 4391.4 | 2016.4 | 1181.0 | 619.9 |
| 2011 | 15596.1 | 3492.4 | 2018.0 | 523.8 | 306.8 |
| 2012 | 4382.0 | 7366.5 | 1571.7 | 333.3 | 86.5 |