| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1989 | 25967.8 | 10678.4 | 3892.3 | 817.3 | 171.6 |
| 1990 | 38997.5 | 12231.7 | 4956.1 | 817.3 | 171.6 |
| 1991 | 31616.3 | 18366.5 | 5671.8 | 997.2 | 164.4 |
| 1992 | 33576.5 | 14900.8 | 8554.5 | 1401.4 | 246.4 |
| 1993 | 21685.2 | 15833.9 | 6965.5 | 2497.1 | 409.1 |
| 1994 | 28935.9 | 10229.2 | 7415.0 | 2208.8 | 791.8 |
| 1995 | 42624.0 | 13651.3 | 4794.3 | 2444.9 | 728.3 |
| 1996 | 22754.2 | 20098.1 | 6376.6 | 1352.7 | 689.8 |
| 1997 | 25119.9 | 10726.2 | 9372.2 | 1664.8 | 353.2 |
| 1998 | 27753.3 | 11847.0 | 5016.7 | 2805.5 | 498.4 |
| 1999 | 21050.2 | 13082.5 | 5523.9 | 1303.4 | 728.9 |
| 2000 | 33974.2 | 9926.1 | 6112.8 | 1580.0 | 372.8 |
| 2001 | 41209.6 | 16025.1 | 4646.7 | 1906.4 | 492.8 |
| 2002 | 45907.4 | 19433.4 | 7490.8 | 1354.8 | 555.8 |
| 2003 | 51395.4 | 21651.2 | 9090.4 | 2255.6 | 407.9 |
| 2004 | 45925.8 | 24246.4 | 10145.8 | 2971.1 | 737.2 |
| 2005 | 67936.1 | 21661.6 | 11347.5 | 3127.2 | 915.7 |
| 2006 | 47451.6 | 32052.1 | 10155.5 | 3790.9 | 1044.7 |
| 2007 | 29143.6 | 22386.9 | 15024.3 | 3365.5 | 1256.3 |
| 2008 | 13065.2 | 13755.3 | 10521.5 | 5622.3 | 1259.4 |
| 2009 | 14825.5 | 6165.2 | 6455.8 | 3692.5 | 1973.1 |
| 2010 | 16762.0 | 6995.5 | 2892.6 | 2233.6 | 1277.6 |
| 2011 | 15108.2 | 7907.5 | 3277.6 | 938.2 | 724.5 |
| 2012 | 12976.9 | 7121.5 | 3686.2 | 842.6 | 241.2 |
| 2013 | 39234.3 | 6113.5 | 3308.2 | 806.2 | 184.3 |
| 2014 | 11020.8 | 18475.9 | 2832.8 | 644.5 | 157.1 |
| 2015 | 27954.5 | 5164.2 | 8300.8 | 133.1 | 30.3 |