| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 64243.1 | 7693.8 | 4469.8 | 1204.8 | 324.7 |
| 1989 | 64333.7 | 14286.6 | 3610.7 | 1204.8 | 324.7 |
| 1990 | 94815.8 | 14285.0 | 6685.0 | 754.4 | 251.7 |
| 1991 | 81258.5 | 21079.8 | 6700.5 | 1722.4 | 194.4 |
| 1992 | 76077.2 | 18076.2 | 9898.9 | 1902.7 | 489.1 |
| 1993 | 52386.1 | 16934.7 | 8499.2 | 3136.5 | 602.9 |
| 1994 | 79314.6 | 11667.0 | 7970.3 | 2933.2 | 1082.5 |
| 1995 | 109804.0 | 17664.2 | 5491.0 | 2747.1 | 1011.0 |
| 1996 | 56802.2 | 24437.8 | 8302.5 | 1687.6 | 844.3 |
| 1997 | 62208.4 | 12641.2 | 11485.2 | 2531.9 | 514.6 |
| 1998 | 71081.8 | 13851.3 | 5946.9 | 3810.0 | 839.9 |
| 1999 | 54391.9 | 15818.4 | 6509.2 | 1799.7 | 1153.0 |
| 2000 | 88136.7 | 12107.8 | 7437.8 | 2068.2 | 571.8 |
| 2001 | 94754.1 | 19627.6 | 5697.7 | 2534.3 | 704.7 |
| 2002 | 89297.6 | 21096.3 | 9232.1 | 1865.7 | 829.8 |
| 2003 | 94768.5 | 19882.9 | 9924.4 | 3060.9 | 618.6 |
| 2004 | 64747.2 | 21104.9 | 9356.9 | 3392.6 | 1046.4 |
| 2005 | 113682.0 | 14408.8 | 9918.1 | 2834.7 | 1027.8 |
| 2006 | 59676.7 | 25304.8 | 6774.5 | 3130.4 | 894.7 |
| 2007 | 36582.3 | 13273.5 | 11879.8 | 1882.0 | 869.7 |
| 2008 | 17811.4 | 8147.1 | 6246.8 | 4078.6 | 646.1 |
| 2009 | 23844.8 | 3962.3 | 3825.9 | 1781.0 | 1162.8 |
| 2010 | 19036.5 | 5301.4 | 1858.6 | 989.5 | 460.6 |
| 2011 | 21605.9 | 4228.5 | 2482.4 | 412.5 | 219.6 |
| 2012 | 21251.6 | 4793.2 | 1975.1 | 445.7 | 74.1 |
| 2013 | 56178.8 | 4678.5 | 2205.8 | 98.0 | 22.1 |