| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 16882.1 | 5987.2 | 4078.3 | 982.5 | 236.7 |
| 1989 | 24084.0 | 7956.2 | 2786.2 | 982.5 | 236.7 |
| 1990 | 34257.7 | 11328.0 | 3655.7 | 378.3 | 133.4 |
| 1991 | 27014.8 | 16100.0 | 5177.4 | 390.4 | 40.4 |
| 1992 | 30680.3 | 12726.2 | 7472.4 | 1106.0 | 83.4 |
| 1993 | 19060.6 | 14463.2 | 5933.5 | 1959.8 | 290.1 |
| 1994 | 25092.8 | 8988.2 | 6756.6 | 1700.3 | 561.6 |
| 1995 | 38982.8 | 11835.7 | 4205.8 | 2084.8 | 524.6 |
| 1996 | 21667.7 | 18374.4 | 5513.1 | 1057.2 | 524.0 |
| 1997 | 21743.9 | 10209.0 | 8537.0 | 1235.0 | 236.8 |
| 1998 | 24782.1 | 10252.5 | 4765.9 | 2371.9 | 343.1 |
| 1999 | 18695.4 | 11678.8 | 4769.8 | 1134.1 | 564.4 |
| 2000 | 29206.1 | 8812.5 | 5441.7 | 1216.1 | 289.2 |
| 2001 | 35268.3 | 13772.5 | 4117.1 | 1564.0 | 349.5 |
| 2002 | 42006.2 | 16626.0 | 6421.3 | 1079.4 | 410.1 |
| 2003 | 46528.3 | 19804.0 | 7755.9 | 1725.5 | 290.1 |
| 2004 | 38453.4 | 21943.7 | 9259.6 | 2310.8 | 514.1 |
| 2005 | 65382.3 | 18132.9 | 10250.6 | 2646.6 | 660.5 |
| 2006 | 41584.3 | 30841.5 | 8488.5 | 3225.9 | 832.9 |
| 2007 | 26664.8 | 19613.2 | 14426.0 | 2574.2 | 978.3 |
| 2008 | 11681.8 | 12584.4 | 9211.7 | 5262.0 | 939.0 |
| 2009 | 14163.6 | 5511.6 | 5899.3 | 3085.7 | 1762.7 |
| 2010 | 14452.7 | 6682.1 | 2582.7 | 1939.6 | 1014.5 |
| 2011 | 14686.8 | 6816.5 | 3125.1 | 777.8 | 584.1 |
| 2012 | 13389.1 | 6921.3 | 3171.3 | 744.2 | 185.2 |
| 2013 | 41777.4 | 6303.7 | 3200.2 | 571.0 | 134.0 |
| 2014 | 16568.0 | 19666.9 | 2912.4 | 556.9 | 99.4 |
| 2015 | 25806.0 | 7816.1 | 9212.9 | 945.1 | 180.7 |