| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 26319.0 | 9185.9 | 4819.5 | 1433.5 | 426.4 |
| 1989 | 30668.7 | 12432.2 | 4256.8 | 1433.5 | 426.4 |
| 1990 | 41029.9 | 14486.9 | 5725.3 | 1088.9 | 366.7 |
| 1991 | 35185.2 | 19381.2 | 6673.0 | 1472.7 | 280.1 |
| 1992 | 34215.6 | 16620.3 | 8977.5 | 1964.8 | 433.6 |
| 1993 | 23155.5 | 16162.3 | 7718.7 | 2814.5 | 616.0 |
| 1994 | 31684.3 | 10937.9 | 7530.5 | 2617.5 | 954.4 |
| 1995 | 43251.3 | 14966.6 | 5099.4 | 2592.0 | 901.0 |
| 1996 | 22503.0 | 20430.5 | 6943.1 | 1556.8 | 791.3 |
| 1997 | 34191.8 | 10629.7 | 9461.2 | 2032.0 | 455.6 |
| 1998 | 53801.1 | 16151.1 | 4937.0 | 2972.2 | 638.3 |
| 1999 | 24558.0 | 25413.9 | 7460.5 | 1358.8 | 818.0 |
| 2000 | 36389.2 | 11600.4 | 11842.7 | 2538.7 | 462.4 |
| 2001 | 51399.2 | 17189.1 | 5418.7 | 1570.7 | 915.3 |
| 2002 | 48039.1 | 24279.3 | 7990.1 | 1736.4 | 503.3 |
| 2003 | 51745.5 | 22692.1 | 11294.4 | 2607.2 | 566.6 |
| 2004 | 44841.8 | 24442.9 | 10600.2 | 4076.3 | 941.0 |
| 2005 | 59965.5 | 21181.7 | 11375.7 | 3497.8 | 1345.1 |
| 2006 | 37270.0 | 28325.7 | 9876.2 | 3924.8 | 1206.8 |
| 2007 | 20526.0 | 17605.1 | 13198.5 | 3353.6 | 1332.7 |
| 2008 | 9709.8 | 9695.8 | 8232.9 | 4890.6 | 1242.7 |
| 2009 | 9609.7 | 4586.6 | 4512.9 | 2723.4 | 1617.8 |
| 2010 | 9162.9 | 4539.3 | 2130.0 | 1413.2 | 852.8 |
| 2011 | 19468.6 | 4328.2 | 2097.3 | 589.6 | 391.2 |
| 2012 | 0.0 | 9196.3 | 1961.5 | 364.0 | 102.3 |