| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 26027.7 | 9140.0 | 4804.5 | 1426.0 | 423.2 |
| 1989 | 30377.8 | 12294.6 | 4232.2 | 1426.0 | 423.2 |
| 1990 | 40357.7 | 14349.4 | 5655.6 | 1077.8 | 363.2 |
| 1991 | 34445.3 | 19063.6 | 6600.9 | 1440.8 | 274.6 |
| 1992 | 33748.7 | 16270.8 | 8821.7 | 1931.0 | 421.5 |
| 1993 | 22804.5 | 15941.7 | 7548.9 | 2741.7 | 600.2 |
| 1994 | 31068.1 | 10772.1 | 7421.2 | 2537.3 | 921.5 |
| 1995 | 41837.5 | 14675.5 | 5018.4 | 2538.5 | 867.9 |
| 1996 | 21462.8 | 19762.6 | 6800.8 | 1517.6 | 767.7 |
| 1997 | 28423.0 | 10138.3 | 9140.6 | 1966.3 | 438.8 |
| 1998 | 30019.0 | 13426.1 | 4702.3 | 2821.3 | 606.9 |
| 1999 | 24618.0 | 14180.0 | 6186.6 | 1245.9 | 747.5 |
| 2000 | 36410.1 | 11628.7 | 6581.6 | 1941.8 | 391.0 |
| 2001 | 50525.9 | 17198.9 | 5411.6 | 2195.4 | 647.7 |
| 2002 | 47179.5 | 23866.7 | 7994.6 | 1757.4 | 712.9 |
| 2003 | 50545.7 | 22286.0 | 11097.0 | 2612.8 | 574.4 |
| 2004 | 43571.5 | 23876.1 | 10404.1 | 3985.2 | 938.3 |
| 2005 | 58463.0 | 20581.7 | 11101.9 | 3404.3 | 1304.0 |
| 2006 | 36302.1 | 27616.0 | 9588.0 | 3794.5 | 1163.5 |
| 2007 | 20025.7 | 17147.9 | 12854.8 | 3217.3 | 1273.3 |
| 2008 | 9502.8 | 9459.5 | 8013.4 | 4726.0 | 1182.8 |
| 2009 | 9289.8 | 4488.8 | 4397.9 | 2614.7 | 1542.1 |
| 2010 | 8416.6 | 4388.2 | 2081.8 | 1354.5 | 805.3 |
| 2011 | 18312.2 | 3975.7 | 2023.9 | 563.4 | 366.6 |
| 2012 | 0.0 | 8650.1 | 1794.7 | 332.3 | 92.5 |