| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 12653.7 | 4443.9 | 3072.7 | 1052.2 | 360.3 |
| 1989 | 14637.9 | 8605.1 | 3000.3 | 1052.2 | 360.3 |
| 1990 | 21246.3 | 8383.0 | 4881.3 | 692.9 | 243.0 |
| 1991 | 21389.2 | 13197.4 | 5166.1 | 1424.9 | 202.3 |
| 1992 | 24026.6 | 13711.0 | 8409.0 | 1864.5 | 514.3 |
| 1993 | 19070.9 | 13541.0 | 7693.2 | 3109.3 | 689.4 |
| 1994 | 30231.3 | 10335.9 | 7314.9 | 3054.3 | 1234.5 |
| 1995 | 40987.9 | 16061.0 | 5473.6 | 2865.9 | 1196.7 |
| 1996 | 19650.5 | 18171.6 | 7089.3 | 1596.4 | 835.8 |
| 1997 | 25114.0 | 11295.4 | 10395.7 | 2588.1 | 582.8 |
| 1998 | 27344.7 | 13606.6 | 6097.2 | 3961.8 | 986.3 |
| 1999 | 16406.4 | 11646.1 | 5768.7 | 1681.4 | 1092.5 |
| 2000 | 24011.9 | 8200.5 | 5795.2 | 1884.4 | 549.2 |
| 2001 | 26996.8 | 13950.7 | 4746.0 | 2325.6 | 756.2 |
| 2002 | 30028.1 | 16822.2 | 8659.3 | 2043.2 | 1001.2 |
| 2003 | 24156.1 | 13587.5 | 7582.8 | 2718.3 | 641.4 |
| 2004 | 18957.3 | 13215.6 | 7403.6 | 2824.1 | 1012.4 |
| 2005 | 30236.2 | 12786.0 | 8869.6 | 3120.8 | 1190.4 |
| 2006 | 14756.1 | 13402.9 | 5641.8 | 2539.5 | 893.5 |
| 2007 | 24177.6 | 12907.6 | 11666.2 | 3083.2 | 1387.9 |
| 2008 | 14887.5 | 15695.7 | 8357.4 | 5896.0 | 1558.2 |
| 2009 | 4860.2 | 2736.2 | 2870.1 | 946.7 | 667.9 |
| 2010 | 2980.6 | 2519.2 | 1405.3 | 620.5 | 204.7 |
| 2011 | 3604.7 | 2126.4 | 1779.6 | 391.2 | 172.7 |
| 2012 | 5085.9 | 2866.1 | 1670.6 | 453.1 | 99.6 |
| 2013 | 16952.8 | 4094.2 | 2257.7 | 170.0 | 46.1 |