| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 242180.0 | 32212.3 | 11391.2 | 3105.1 | 846.4 |
| 1989 | 302807.0 | 82950.2 | 11017.3 | 3105.1 | 846.4 |
| 1990 | 459088.0 | 88033.0 | 24073.5 | 2427.8 | 684.2 |
| 1991 | 332594.0 | 128486.0 | 24610.6 | 5647.6 | 569.6 |
| 1992 | 302777.0 | 100857.0 | 38926.3 | 6432.4 | 1476.1 |
| 1993 | 165017.0 | 86983.2 | 28953.9 | 9974.6 | 1648.3 |
| 1994 | 241501.0 | 51968.6 | 27375.5 | 8213.1 | 2829.4 |
| 1995 | 400878.0 | 84445.3 | 18160.0 | 8635.4 | 2590.8 |
| 1996 | 209519.0 | 131463.0 | 27668.0 | 5162.3 | 2454.8 |
| 1997 | 254332.0 | 70339.1 | 44096.0 | 8084.4 | 1508.4 |
| 1998 | 314555.0 | 81346.0 | 22483.0 | 12743.3 | 2336.3 |
| 1999 | 228726.0 | 93687.3 | 24207.4 | 5846.1 | 3313.6 |
| 2000 | 363439.0 | 69674.7 | 28517.4 | 6536.4 | 1578.6 |
| 2001 | 413734.0 | 110020.0 | 21078.9 | 7823.3 | 1793.2 |
| 2002 | 365795.0 | 132498.0 | 35208.7 | 6025.4 | 2236.3 |
| 2003 | 385081.0 | 109622.0 | 39681.0 | 9502.0 | 1626.1 |
| 2004 | 245727.0 | 115437.0 | 32842.3 | 10818.6 | 2590.6 |
| 2005 | 456090.0 | 72811.7 | 34174.7 | 8442.4 | 2781.0 |
| 2006 | 235037.0 | 137000.0 | 21853.0 | 9002.5 | 2223.9 |
| 2007 | 134091.0 | 70763.3 | 41199.2 | 5475.7 | 2255.7 |
| 2008 | 53874.9 | 37755.3 | 19911.1 | 10435.4 | 1387.0 |
| 2009 | 63798.7 | 15328.2 | 10729.0 | 4681.0 | 2453.3 |
| 2010 | 59092.1 | 18686.1 | 4482.6 | 2458.3 | 1072.5 |
| 2011 | 68302.2 | 18658.0 | 5887.6 | 1011.4 | 554.7 |
| 2012 | 52495.2 | 21370.6 | 5822.8 | 1225.5 | 210.5 |
| 2013 | 327151.0 | 15491.4 | 6284.7 | 992.4 | 208.9 |
| 2014 | 212050.0 | 106263.0 | 5016.1 | 1241.3 | 196.0 |