| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 28257.9 | 9861.6 | 5198.3 | 1617.7 | 503.4 |
| 1989 | 33309.1 | 13347.7 | 4571.7 | 1617.7 | 503.4 |
| 1990 | 45857.2 | 15733.5 | 6150.7 | 1244.9 | 440.5 |
| 1991 | 39632.3 | 21660.6 | 7251.7 | 1682.8 | 340.6 |
| 1992 | 39454.0 | 18720.5 | 10039.5 | 2246.8 | 521.4 |
| 1993 | 27169.1 | 18636.3 | 8702.5 | 3322.3 | 743.5 |
| 1994 | 37270.0 | 12833.6 | 8691.0 | 3090.9 | 1180.0 |
| 1995 | 49012.5 | 17604.8 | 5989.9 | 3145.4 | 1118.6 |
| 1996 | 25285.1 | 23151.3 | 8183.8 | 1981.8 | 1040.6 |
| 1997 | 30022.9 | 11943.6 | 10746.3 | 2620.4 | 634.6 |
| 1998 | 30753.8 | 14181.5 | 5554.8 | 3594.3 | 876.5 |
| 1999 | 26443.8 | 14526.6 | 6562.8 | 1662.7 | 1075.9 |
| 2000 | 39205.6 | 12490.9 | 6748.8 | 2142.2 | 542.7 |
| 2001 | 49058.2 | 18519.0 | 5813.0 | 2288.5 | 726.4 |
| 2002 | 44189.3 | 23172.9 | 8613.6 | 1947.6 | 766.7 |
| 2003 | 42908.6 | 20873.1 | 10782.3 | 2909.9 | 657.9 |
| 2004 | 38227.6 | 20268.2 | 9737.3 | 3857.8 | 1041.1 |
| 2005 | 51503.0 | 18057.0 | 9406.8 | 3108.3 | 1231.5 |
| 2006 | 33101.8 | 24327.7 | 8384.0 | 3030.8 | 1001.5 |
| 2007 | 19575.8 | 15635.8 | 11284.8 | 2644.6 | 956.0 |
| 2008 | 9485.5 | 9246.8 | 7290.7 | 3995.5 | 936.4 |
| 2009 | 9489.4 | 4480.5 | 4285.6 | 2256.4 | 1236.6 |
| 2010 | 7978.4 | 4482.3 | 2072.5 | 1270.2 | 668.8 |
| 2011 | 15452.3 | 3768.6 | 2063.1 | 549.7 | 336.9 |
| 2012 | 4766.9 | 7298.6 | 1699.7 | 348.6 | 92.9 |