| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 40510.7 | 6876.2 | 3718.5 | 983.0 | 259.8 |
| 1989 | 53953.6 | 21713.9 | 3689.3 | 983.0 | 259.8 |
| 1990 | 75005.9 | 18044.1 | 7272.6 | 436.8 | 116.4 |
| 1991 | 71556.4 | 29201.2 | 7031.4 | 1468.7 | 88.2 |
| 1992 | 119537.0 | 32064.7 | 13095.1 | 1846.8 | 385.7 |
| 1993 | 69269.7 | 36295.8 | 9741.2 | 2728.2 | 384.8 |
| 1994 | 135691.0 | 23482.8 | 12310.4 | 2350.6 | 658.3 |
| 1995 | 175954.0 | 37672.0 | 6522.2 | 2564.8 | 489.7 |
| 1996 | 76957.1 | 43272.7 | 9271.7 | 945.8 | 371.9 |
| 1997 | 84136.2 | 29988.6 | 16873.9 | 2245.7 | 229.1 |
| 1998 | 88342.5 | 23590.2 | 8412.0 | 3455.1 | 459.8 |
| 1999 | 44060.1 | 26548.5 | 7093.7 | 1628.6 | 668.9 |
| 2000 | 45091.3 | 12592.0 | 7592.6 | 1244.3 | 285.7 |
| 2001 | 50366.9 | 19624.5 | 5483.1 | 2273.9 | 372.7 |
| 2002 | 58278.3 | 23741.4 | 9255.8 | 1708.9 | 708.7 |
| 2003 | 71601.7 | 26135.3 | 10652.7 | 2837.9 | 524.0 |
| 2004 | 37253.7 | 26292.9 | 9602.0 | 2739.4 | 729.8 |
| 2005 | 61590.7 | 16697.7 | 11793.0 | 2649.5 | 755.9 |
| 2006 | 17735.3 | 18508.7 | 5021.0 | 2273.9 | 510.9 |
| 2007 | 17895.4 | 11965.4 | 12499.5 | 1695.6 | 767.9 |
| 2008 | 9973.8 | 8355.1 | 5589.1 | 4206.2 | 570.6 |
| 2009 | 16672.1 | 4468.7 | 3746.4 | 1431.9 | 1077.6 |
| 2010 | 13911.8 | 6233.3 | 1672.5 | 662.5 | 253.2 |
| 2011 | 15436.2 | 5349.1 | 2400.6 | 206.0 | 81.6 |
| 2012 | 13515.3 | 5990.5 | 2079.7 | 259.2 | 22.2 |
| 2013 | 44843.1 | 5361.4 | 2386.0 | 47.4 | 5.9 |