| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 90702.1 | 15490.3 | 7018.9 | 1770.1 | 446.4 |
| 1989 | 91150.6 | 33302.8 | 5682.3 | 1770.1 | 446.4 |
| 1990 | 139116.0 | 33442.5 | 12202.9 | 1238.8 | 385.9 |
| 1991 | 118731.0 | 51090.0 | 12271.6 | 3213.1 | 326.2 |
| 1992 | 110753.0 | 43615.3 | 18754.5 | 3399.5 | 890.1 |
| 1993 | 71145.2 | 40697.6 | 16018.4 | 5535.4 | 1003.4 |
| 1994 | 112847.0 | 26148.8 | 14951.5 | 4926.1 | 1702.3 |
| 1995 | 164203.0 | 41474.8 | 9606.2 | 4577.0 | 1508.0 |
| 1996 | 80800.7 | 60325.6 | 15227.4 | 2717.6 | 1294.8 |
| 1997 | 88235.8 | 29686.3 | 22150.0 | 4349.1 | 776.2 |
| 1998 | 106479.0 | 32427.6 | 10904.8 | 6703.1 | 1316.2 |
| 1999 | 80490.6 | 39120.0 | 11906.4 | 3107.4 | 1910.1 |
| 2000 | 131607.0 | 29575.9 | 14366.4 | 3481.6 | 908.6 |
| 2001 | 139409.0 | 48370.2 | 10865.3 | 4402.1 | 1066.8 |
| 2002 | 124516.0 | 51231.1 | 17766.4 | 3248.0 | 1315.9 |
| 2003 | 133212.0 | 45760.7 | 18818.9 | 5373.8 | 982.4 |
| 2004 | 83255.9 | 48959.8 | 16811.0 | 5764.1 | 1646.0 |
| 2005 | 159755.0 | 30587.3 | 17975.8 | 4769.4 | 1635.3 |
| 2006 | 76357.4 | 58699.8 | 11232.4 | 5229.1 | 1387.4 |
| 2007 | 44116.1 | 28042.7 | 21540.4 | 2969.5 | 1382.4 |
| 2008 | 19558.4 | 16213.8 | 10301.7 | 6568.1 | 905.5 |
| 2009 | 23793.7 | 7183.3 | 5950.2 | 2751.2 | 1754.1 |
| 2010 | 18546.2 | 8735.1 | 2634.5 | 1460.5 | 675.3 |
| 2011 | 28719.9 | 6803.4 | 3200.0 | 557.7 | 309.2 |
| 2012 | 26492.2 | 10522.5 | 2487.8 | 531.9 | 92.7 |
| 2013 | 75498.6 | 9661.0 | 3821.2 | 166.2 | 35.5 |