| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 27096.2 | 6605.3 | 3862.5 | 1409.5 | 514.4 |
| 1989 | 35655.3 | 14815.1 | 4055.8 | 1409.5 | 514.4 |
| 1990 | 53835.4 | 15170.7 | 7435.8 | 1084.7 | 377.0 |
| 1991 | 56761.1 | 25601.5 | 8352.8 | 2595.2 | 378.6 |
| 1992 | 66166.2 | 28403.1 | 14699.3 | 3459.3 | 1074.8 |
| 1993 | 53129.4 | 27126.3 | 13916.3 | 5713.8 | 1344.7 |
| 1994 | 87924.6 | 20522.1 | 12654.0 | 5474.1 | 2247.6 |
| 1995 | 129833.0 | 32957.5 | 9289.7 | 4808.2 | 2080.1 |
| 1996 | 55071.9 | 36761.8 | 11959.5 | 2628.2 | 1360.3 |
| 1997 | 74417.5 | 23028.7 | 18366.9 | 4591.6 | 1009.0 |
| 1998 | 90118.0 | 28739.4 | 10738.3 | 7031.0 | 1757.7 |
| 1999 | 48240.6 | 23791.9 | 9821.9 | 2867.7 | 1877.7 |
| 2000 | 66826.2 | 16353.2 | 10031.0 | 3234.9 | 944.5 |
| 2001 | 71795.4 | 28806.0 | 8342.1 | 4149.1 | 1338.1 |
| 2002 | 91571.4 | 34204.5 | 15919.8 | 3761.7 | 1871.0 |
| 2003 | 65043.9 | 26461.2 | 12671.9 | 4829.1 | 1141.1 |
| 2004 | 47584.3 | 25367.0 | 12457.9 | 4769.5 | 1817.6 |
| 2005 | 85351.8 | 25806.1 | 15480.0 | 5844.4 | 2237.5 |
| 2006 | 30142.5 | 24168.1 | 9365.2 | 4405.6 | 1663.3 |
| 2007 | 54980.2 | 24633.9 | 20517.8 | 6179.9 | 2907.2 |
| 2008 | 49417.3 | 28106.2 | 14326.4 | 10412.7 | 3136.2 |
| 2009 | 8182.9 | 3518.9 | 3358.7 | 1270.0 | 923.1 |
| 2010 | 4533.7 | 2935.1 | 1548.4 | 708.4 | 267.9 |
| 2011 | 7321.2 | 2706.0 | 1923.7 | 437.1 | 200.0 |
| 2012 | 10615.3 | 5172.3 | 2014.0 | 508.6 | 115.5 |
| 2013 | 43520.2 | 7629.6 | 3943.9 | 369.2 | 93.2 |