| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 21263.6 | 7019.6 | 3729.4 | 1378.8 | 308.9 |
| 1989 | 24363.5 | 10044.2 | 3264.0 | 931.4 | 308.9 |
| 1990 | 34904.3 | 11508.4 | 4634.6 | 597.0 | 144.9 |
| 1991 | 29320.2 | 16487.5 | 5313.5 | 868.9 | 95.6 |
| 1992 | 30526.2 | 13849.8 | 7657.2 | 1263.8 | 183.9 |
| 1993 | 21062.3 | 14419.5 | 6455.9 | 2113.7 | 318.4 |
| 1994 | 28149.1 | 9949.1 | 6739.8 | 1990.2 | 606.0 |
| 1995 | 38742.8 | 13296.7 | 4655.0 | 2164.7 | 598.6 |
| 1996 | 20763.5 | 18300.7 | 6200.7 | 1307.2 | 556.4 |
| 1997 | 23053.7 | 9808.0 | 8518.6 | 1617.0 | 308.1 |
| 1998 | 24774.5 | 10889.8 | 4576.7 | 2455.5 | 428.5 |
| 1999 | 19368.5 | 11702.6 | 5063.3 | 1140.4 | 548.7 |
| 2000 | 29515.3 | 9149.0 | 5454.0 | 1387.1 | 284.7 |
| 2001 | 36827.3 | 13942.0 | 4272.7 | 1624.2 | 381.9 |
| 2002 | 35242.1 | 17395.9 | 6501.8 | 1201.1 | 418.0 |
| 2003 | 37227.3 | 16647.1 | 8113.2 | 1834.0 | 310.3 |
| 2004 | 35739.1 | 17584.9 | 7783.5 | 2532.8 | 533.6 |
| 2005 | 43588.5 | 16881.9 | 8193.2 | 2108.9 | 624.3 |
| 2006 | 34369.3 | 20589.7 | 7877.5 | 2358.8 | 558.1 |
| 2007 | 21725.7 | 16234.8 | 9609.0 | 2281.6 | 628.6 |
| 2008 | 11031.8 | 10262.5 | 7599.1 | 3137.2 | 699.5 |
| 2009 | 13327.9 | 5211.0 | 4793.5 | 2278.6 | 870.7 |
| 2010 | 16129.0 | 6295.6 | 2433.5 | 1424.4 | 625.7 |
| 2011 | 14767.0 | 7618.8 | 2936.1 | 685.7 | 367.6 |
| 2012 | 13130.1 | 6975.4 | 3535.9 | 679.1 | 140.4 |
| 2013 | 40754.6 | 6202.2 | 3230.3 | 749.4 | 125.6 |
| 2014 | 6823.4 | 19251.0 | 2866.9 | 634.5 | 126.8 |
| 2015 | 22171.8 | 3223.1 | 8636.8 | 168.3 | 26.1 |