| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 21026.7 | 7157.7 | 3750.5 | 1361.5 | 302.1 |
| 1989 | 24522.0 | 9932.3 | 3318.6 | 949.5 | 302.1 |
| 1990 | 34861.6 | 11583.3 | 4565.8 | 631.8 | 149.2 |
| 1991 | 29411.7 | 16467.4 | 5323.6 | 862.7 | 98.4 |
| 1992 | 30408.0 | 13893.1 | 7623.9 | 1284.8 | 180.6 |
| 1993 | 21107.6 | 14363.7 | 6459.1 | 2117.3 | 318.9 |
| 1994 | 28082.6 | 9970.5 | 6700.2 | 2005.4 | 601.5 |
| 1995 | 38487.7 | 13265.2 | 4656.3 | 2162.5 | 597.1 |
| 1996 | 20742.5 | 18180.2 | 6171.3 | 1322.2 | 551.4 |
| 1997 | 23169.6 | 9798.0 | 8438.6 | 1623.3 | 307.3 |
| 1998 | 24508.8 | 10944.5 | 4560.6 | 2437.5 | 422.6 |
| 1999 | 19306.1 | 11577.1 | 5073.3 | 1147.3 | 536.7 |
| 2000 | 29019.2 | 9119.5 | 5381.8 | 1403.7 | 283.5 |
| 2001 | 36859.5 | 13707.7 | 4248.9 | 1605.1 | 379.9 |
| 2002 | 34830.4 | 17411.1 | 6376.3 | 1200.8 | 406.9 |
| 2003 | 36625.5 | 16452.7 | 8098.1 | 1795.3 | 303.1 |
| 2004 | 35589.8 | 17300.6 | 7676.9 | 2538.8 | 516.1 |
| 2005 | 42150.2 | 16811.4 | 8037.8 | 2083.4 | 612.8 |
| 2006 | 33897.8 | 19910.3 | 7823.8 | 2308.3 | 538.5 |
| 2007 | 21196.7 | 16012.2 | 9269.2 | 2273.3 | 605.2 |
| 2008 | 10451.8 | 10012.6 | 7478.9 | 3004.6 | 680.5 |
| 2009 | 12276.3 | 4937.1 | 4665.1 | 2232.3 | 813.9 |
| 2010 | 10965.1 | 5798.9 | 2299.5 | 1376.7 | 596.4 |
| 2011 | 56759.9 | 5179.6 | 2695.5 | 634.4 | 339.0 |
| 2012 | 26346.1 | 26811.4 | 2389.1 | 575.0 | 114.4 |