| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 19305.2 | 6433.9 | 4236.0 | 1069.9 | 270.2 |
| 1989 | 24551.4 | 9075.8 | 2999.5 | 1069.9 | 270.2 |
| 1990 | 35659.3 | 11501.7 | 4190.4 | 477.1 | 170.2 |
| 1991 | 28446.8 | 16698.1 | 5304.0 | 629.1 | 71.6 |
| 1992 | 31587.1 | 13362.0 | 7766.2 | 1195.7 | 141.8 |
| 1993 | 20034.1 | 14858.3 | 6239.2 | 2113.2 | 325.4 |
| 1994 | 26484.5 | 9430.1 | 6950.7 | 1853.9 | 627.9 |
| 1995 | 39961.4 | 12472.3 | 4417.1 | 2197.4 | 586.1 |
| 1996 | 21744.6 | 18792.9 | 5819.8 | 1164.0 | 579.1 |
| 1997 | 22879.7 | 10218.4 | 8751.2 | 1391.3 | 278.3 |
| 1998 | 25631.5 | 10766.2 | 4776.0 | 2495.8 | 396.8 |
| 1999 | 19443.9 | 12046.7 | 5015.5 | 1164.0 | 608.3 |
| 2000 | 30680.9 | 9144.7 | 5622.4 | 1334.3 | 309.7 |
| 2001 | 37222.1 | 14441.1 | 4277.4 | 1662.3 | 394.5 |
| 2002 | 42416.6 | 17509.1 | 6743.3 | 1165.6 | 453.0 |
| 2003 | 47301.1 | 19957.1 | 8180.9 | 1892.8 | 327.2 |
| 2004 | 40715.9 | 22271.4 | 9343.4 | 2526.0 | 584.4 |
| 2005 | 64568.1 | 19162.2 | 10414.1 | 2720.7 | 735.5 |
| 2006 | 43301.6 | 30409.1 | 8977.5 | 3324.7 | 868.6 |
| 2007 | 27401.6 | 20390.0 | 14240.1 | 2802.9 | 1038.0 |
| 2008 | 12570.4 | 12918.5 | 9580.2 | 5212.6 | 1026.0 |
| 2009 | 15192.2 | 5922.9 | 6060.0 | 3247.3 | 1766.8 |
| 2010 | 15775.7 | 7157.4 | 2777.5 | 2023.0 | 1084.1 |
| 2011 | 15043.9 | 7428.4 | 3351.5 | 864.9 | 629.9 |
| 2012 | 12721.3 | 7073.1 | 3464.1 | 857.1 | 221.2 |
| 2013 | 37042.4 | 5971.4 | 3283.6 | 715.2 | 177.0 |
| 2014 | 12590.8 | 17376.1 | 2767.0 | 620.1 | 135.1 |
| 2015 | 26256.5 | 5834.6 | 7785.3 | 105.1 | 23.6 |