| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 21266.2 | 7034.7 | 3734.0 | 1380.1 | 309.7 |
| 1989 | 24405.5 | 10045.4 | 3270.4 | 934.0 | 309.7 |
| 1990 | 34952.3 | 11528.3 | 4634.0 | 600.5 | 145.9 |
| 1991 | 29367.5 | 16510.2 | 5321.1 | 870.4 | 96.3 |
| 1992 | 30564.0 | 13872.2 | 7666.3 | 1268.4 | 184.6 |
| 1993 | 21090.8 | 14437.4 | 6465.3 | 2119.2 | 319.9 |
| 1994 | 28178.5 | 9962.5 | 6747.4 | 1995.5 | 608.2 |
| 1995 | 38771.8 | 13310.5 | 4660.8 | 2169.2 | 600.7 |
| 1996 | 20779.1 | 18314.4 | 6206.3 | 1310.8 | 558.3 |
| 1997 | 23094.0 | 9815.3 | 8523.6 | 1620.8 | 309.4 |
| 1998 | 24791.5 | 10908.8 | 4579.5 | 2459.0 | 429.8 |
| 1999 | 19390.3 | 11710.6 | 5071.2 | 1142.6 | 550.1 |
| 2000 | 29525.0 | 9159.3 | 5456.9 | 1391.5 | 285.7 |
| 2001 | 36885.6 | 13946.6 | 4276.9 | 1626.5 | 383.4 |
| 2002 | 35262.9 | 17423.5 | 6503.0 | 1203.7 | 419.0 |
| 2003 | 37246.7 | 16656.9 | 8124.8 | 1835.8 | 311.2 |
| 2004 | 35795.3 | 17594.1 | 7787.1 | 2539.1 | 534.6 |
| 2005 | 43573.2 | 16908.4 | 8196.1 | 2112.2 | 626.4 |
| 2006 | 34416.0 | 20582.5 | 7888.6 | 2361.6 | 559.3 |
| 2007 | 21758.1 | 16256.9 | 9604.3 | 2287.8 | 630.1 |
| 2008 | 11053.2 | 10277.8 | 7608.5 | 3136.9 | 701.6 |
| 2009 | 13348.8 | 5221.2 | 4800.0 | 2283.5 | 871.2 |
| 2010 | 16141.0 | 6305.5 | 2437.9 | 1428.1 | 627.8 |
| 2011 | 14771.5 | 7624.5 | 2940.3 | 688.2 | 369.2 |
| 2012 | 13072.9 | 6977.5 | 3537.9 | 681.7 | 141.3 |
| 2013 | 39727.3 | 6175.2 | 3230.6 | 751.3 | 126.3 |
| 2014 | 6836.3 | 18765.7 | 2853.6 | 635.5 | 127.2 |
| 2015 | 23096.5 | 3229.2 | 8409.1 | 164.5 | 25.6 |