| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 19251.4 | 6352.0 | 4222.0 | 1064.2 | 268.2 |
| 1989 | 24770.0 | 9074.7 | 2963.4 | 1064.2 | 268.2 |
| 1990 | 36375.2 | 11657.3 | 4193.4 | 461.2 | 165.6 |
| 1991 | 29132.2 | 17116.3 | 5381.7 | 622.6 | 68.5 |
| 1992 | 31936.5 | 13727.8 | 7969.4 | 1227.2 | 142.0 |
| 1993 | 20258.9 | 15058.9 | 6416.2 | 2204.7 | 339.5 |
| 1994 | 26924.1 | 9555.4 | 7050.5 | 1937.1 | 665.6 |
| 1995 | 40576.1 | 12701.4 | 4478.6 | 2248.6 | 617.8 |
| 1996 | 21955.0 | 19130.3 | 5932.1 | 1193.7 | 599.3 |
| 1997 | 23255.9 | 10347.9 | 8918.3 | 1441.1 | 290.0 |
| 1998 | 26112.1 | 10967.3 | 4840.4 | 2572.1 | 415.6 |
| 1999 | 19731.9 | 12307.9 | 5114.6 | 1197.1 | 636.1 |
| 2000 | 31514.7 | 9303.3 | 5749.7 | 1380.2 | 323.0 |
| 2001 | 37885.8 | 14863.9 | 4355.1 | 1721.5 | 413.3 |
| 2002 | 43664.3 | 17864.1 | 6947.1 | 1203.9 | 475.9 |
| 2003 | 48729.5 | 20591.0 | 8354.8 | 1985.1 | 344.0 |
| 2004 | 41963.4 | 22986.5 | 9647.1 | 2609.6 | 620.0 |
| 2005 | 66384.6 | 19791.4 | 10758.3 | 2859.7 | 773.6 |
| 2006 | 44233.6 | 31318.6 | 9279.4 | 3488.3 | 927.3 |
| 2007 | 27533.3 | 20866.9 | 14678.0 | 2947.6 | 1108.1 |
| 2008 | 12141.3 | 12995.2 | 9808.9 | 5421.3 | 1088.7 |
| 2009 | 13801.9 | 5729.0 | 6099.6 | 3361.7 | 1858.0 |
| 2010 | 15827.9 | 6512.2 | 2688.1 | 2052.3 | 1131.1 |
| 2011 | 15087.6 | 7466.1 | 3050.7 | 834.9 | 637.4 |
| 2012 | 12406.5 | 7110.6 | 3479.2 | 726.3 | 198.8 |
| 2013 | 37236.4 | 5843.7 | 3302.2 | 697.0 | 145.5 |
| 2014 | 10479.2 | 17535.2 | 2710.3 | 618.8 | 130.6 |
| 2015 | 26281.3 | 4906.4 | 7858.0 | 89.7 | 20.5 |