| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 82106.3 | 14666.9 | 6198.8 | 2492.5 | 1002.3 |
| 1989 | 113358.0 | 44972.3 | 8027.3 | 2492.5 | 1002.3 |
| 1990 | 176910.0 | 47397.1 | 18789.0 | 2454.9 | 762.3 |
| 1991 | 193342.0 | 83473.0 | 22354.0 | 7439.7 | 972.1 |
| 1992 | 220644.0 | 95937.7 | 41407.5 | 9843.2 | 3276.0 |
| 1993 | 168526.0 | 89659.1 | 38976.1 | 15462.1 | 3675.6 |
| 1994 | 308473.0 | 64500.7 | 34310.1 | 13980.4 | 5546.1 |
| 1995 | 452205.0 | 113430.0 | 23713.7 | 11763.6 | 4793.3 |
| 1996 | 185930.0 | 125645.0 | 31508.1 | 5923.9 | 2938.7 |
| 1997 | 260256.0 | 77068.6 | 52066.3 | 11747.5 | 2208.7 |
| 1998 | 322001.0 | 98611.7 | 29196.0 | 18307.5 | 4130.7 |
| 1999 | 162497.0 | 83423.0 | 25541.7 | 6851.9 | 4296.5 |
| 2000 | 236349.0 | 54598.8 | 28022.8 | 7749.4 | 2078.9 |
| 2001 | 254786.0 | 100967.0 | 23319.7 | 11045.8 | 3054.6 |
| 2002 | 306151.0 | 120294.0 | 47661.2 | 10198.2 | 4830.6 |
| 2003 | 208647.0 | 86800.5 | 34099.6 | 12558.8 | 2687.2 |
| 2004 | 154231.0 | 80647.5 | 33543.2 | 12074.6 | 4447.0 |
| 2005 | 240638.0 | 82915.5 | 43345.7 | 16331.9 | 5879.0 |
| 2006 | 84334.8 | 66867.2 | 23034.8 | 10986.4 | 4139.5 |
| 2007 | 134109.0 | 69004.8 | 54699.0 | 17102.2 | 8156.9 |
| 2008 | 74509.3 | 67919.1 | 34942.8 | 26287.4 | 8219.0 |
| 2009 | 12348.8 | 5104.1 | 4651.0 | 2084.6 | 1568.2 |
| 2010 | 11807.0 | 4393.9 | 1813.7 | 979.5 | 439.0 |
| 2011 | 20217.2 | 6988.7 | 2596.3 | 538.1 | 290.6 |
| 2012 | 30677.4 | 14182.2 | 4893.7 | 891.5 | 184.8 |
| 2013 | 130079.0 | 22215.3 | 10259.0 | 2302.7 | 419.5 |