| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 19593.7 | 4935.6 | 3159.3 | 896.5 | 254.4 |
| 1989 | 24519.7 | 12173.7 | 3068.1 | 896.5 | 254.4 |
| 1990 | 33503.5 | 10705.9 | 5319.4 | 425.4 | 124.3 |
| 1991 | 32175.8 | 16529.5 | 5285.0 | 1112.7 | 89.0 |
| 1992 | 44688.7 | 17567.5 | 9029.0 | 1459.2 | 307.2 |
| 1993 | 29849.9 | 18282.8 | 7189.5 | 2248.5 | 363.4 |
| 1994 | 51988.1 | 13237.6 | 8110.2 | 2112.5 | 660.7 |
| 1995 | 66267.4 | 19849.7 | 5055.6 | 2131.7 | 555.2 |
| 1996 | 30067.1 | 23085.7 | 6917.8 | 974.2 | 410.8 |
| 1997 | 34245.0 | 14717.8 | 11304.8 | 1900.8 | 267.7 |
| 1998 | 33720.8 | 13202.3 | 5675.7 | 2876.9 | 483.7 |
| 1999 | 18782.1 | 13650.9 | 5346.6 | 1300.3 | 659.1 |
| 2000 | 21882.8 | 7304.6 | 5311.1 | 1163.1 | 282.9 |
| 2001 | 24608.1 | 11728.3 | 3916.3 | 1747.3 | 382.6 |
| 2002 | 27975.5 | 13998.6 | 6674.3 | 1294.0 | 577.3 |
| 2003 | 31984.0 | 15295.2 | 7656.1 | 2212.3 | 428.9 |
| 2004 | 19348.2 | 15056.4 | 7202.4 | 2290.4 | 661.8 |
| 2005 | 29943.4 | 10570.0 | 8228.7 | 2148.2 | 683.1 |
| 2006 | 11005.1 | 12121.3 | 4280.4 | 1876.1 | 489.8 |
| 2007 | 10155.7 | 8184.0 | 9019.0 | 1407.5 | 616.9 |
| 2008 | 5732.1 | 5724.7 | 4614.6 | 3316.5 | 517.6 |
| 2009 | 9207.2 | 3130.1 | 3127.5 | 1299.5 | 934.0 |
| 2010 | 7781.8 | 4410.0 | 1500.1 | 667.9 | 277.5 |
| 2011 | 7575.6 | 3794.6 | 2152.0 | 247.3 | 110.1 |
| 2012 | 7310.1 | 3689.8 | 1849.8 | 304.8 | 35.0 |
| 2013 | 21007.0 | 3586.0 | 1813.7 | 48.3 | 8.0 |