| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 21057.2 | 7168.3 | 3754.5 | 1363.8 | 303.1 |
| 1989 | 24559.7 | 9946.6 | 3323.4 | 951.6 | 303.1 |
| 1990 | 34925.4 | 11601.1 | 4572.5 | 634.3 | 150.0 |
| 1991 | 29473.5 | 16497.5 | 5331.9 | 866.2 | 99.1 |
| 1992 | 30457.1 | 13922.2 | 7637.9 | 1289.1 | 181.8 |
| 1993 | 21142.8 | 14386.9 | 6472.8 | 2124.2 | 320.6 |
| 1994 | 28127.6 | 9987.1 | 6711.1 | 2012.1 | 604.6 |
| 1995 | 38539.0 | 13286.5 | 4664.1 | 2168.1 | 600.0 |
| 1996 | 20770.5 | 18204.5 | 6181.3 | 1326.1 | 553.9 |
| 1997 | 23214.4 | 9811.2 | 8449.9 | 1628.3 | 308.9 |
| 1998 | 24546.9 | 10965.7 | 4566.8 | 2443.3 | 424.6 |
| 1999 | 19339.3 | 11595.1 | 5083.1 | 1150.6 | 539.2 |
| 2000 | 29068.7 | 9135.2 | 5390.2 | 1408.6 | 284.9 |
| 2001 | 36921.5 | 13731.1 | 4256.2 | 1609.4 | 381.8 |
| 2002 | 34885.9 | 17440.4 | 6387.2 | 1204.5 | 408.8 |
| 2003 | 36694.1 | 16478.9 | 8111.8 | 1800.9 | 304.6 |
| 2004 | 35685.4 | 17333.0 | 7689.2 | 2545.7 | 518.5 |
| 2005 | 42258.3 | 16856.5 | 8052.9 | 2089.7 | 615.7 |
| 2006 | 34036.9 | 19961.4 | 7844.9 | 2315.9 | 541.3 |
| 2007 | 21341.1 | 16077.9 | 9293.2 | 2283.6 | 608.7 |
| 2008 | 10581.7 | 10080.8 | 7509.7 | 3016.7 | 684.9 |
| 2009 | 12606.5 | 4998.4 | 4697.1 | 2247.0 | 819.8 |
| 2010 | 11708.4 | 5954.9 | 2328.3 | 1391.7 | 603.4 |
| 2011 | 57045.9 | 5530.6 | 2768.6 | 647.8 | 346.3 |
| 2012 | 26502.6 | 26946.4 | 2553.2 | 608.2 | 121.1 |