| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 28830.4 | 8479.4 | 4272.5 | 1916.3 | 548.8 |
| 1989 | 31615.6 | 13618.4 | 3957.9 | 1214.2 | 548.8 |
| 1990 | 46230.6 | 14934.0 | 6328.3 | 929.5 | 288.2 |
| 1991 | 39644.4 | 21837.6 | 6957.4 | 1657.5 | 245.7 |
| 1992 | 39338.6 | 18726.5 | 10203.3 | 2062.8 | 494.9 |
| 1993 | 26539.6 | 18582.1 | 8769.8 | 3335.7 | 678.2 |
| 1994 | 36832.7 | 12536.4 | 8718.1 | 3100.2 | 1184.4 |
| 1995 | 49513.1 | 17398.4 | 5883.4 | 3120.6 | 1114.4 |
| 1996 | 26680.3 | 23388.2 | 8146.0 | 1905.1 | 1016.4 |
| 1997 | 30272.7 | 12602.8 | 10940.7 | 2539.7 | 597.7 |
| 1998 | 33868.5 | 14299.7 | 5903.8 | 3624.9 | 846.0 |
| 1999 | 26909.1 | 15998.2 | 6684.7 | 1788.0 | 1105.3 |
| 2000 | 42194.4 | 12710.9 | 7490.9 | 2170.7 | 583.9 |
| 2001 | 49711.4 | 19931.1 | 5960.8 | 2596.6 | 756.0 |
| 2002 | 48673.5 | 23481.9 | 9340.5 | 2008.3 | 879.4 |
| 2003 | 54700.2 | 22991.6 | 11007.3 | 3182.1 | 687.6 |
| 2004 | 49866.0 | 25838.4 | 10789.5 | 3931.4 | 1141.4 |
| 2005 | 65252.9 | 23554.9 | 12101.7 | 3545.2 | 1298.9 |
| 2006 | 45803.6 | 30823.1 | 11047.2 | 4213.4 | 1240.0 |
| 2007 | 27920.8 | 21636.0 | 14454.2 | 3826.1 | 1466.2 |
| 2008 | 13500.1 | 13188.8 | 10165.6 | 5435.5 | 1443.8 |
| 2009 | 15938.1 | 6377.0 | 6186.4 | 3561.0 | 1912.8 |
| 2010 | 18579.3 | 7528.6 | 2989.9 | 2126.3 | 1229.9 |
| 2011 | 15430.1 | 8776.2 | 3525.7 | 978.2 | 699.6 |
| 2012 | 15762.5 | 7288.6 | 4093.6 | 972.8 | 272.1 |
| 2013 | 66777.3 | 7445.6 | 3391.9 | 1024.0 | 245.7 |
| 2014 | 13190.4 | 31542.9 | 3453.5 | 736.7 | 225.1 |
| 2015 | 26639.2 | 6230.6 | 14425.2 | 410.3 | 89.4 |