| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 26002.7 | 7252.1 | 4347.2 | 1122.9 | 290.1 |
| 1989 | 28011.9 | 12245.7 | 3393.2 | 1122.9 | 290.1 |
| 1990 | 41464.3 | 13170.5 | 5700.5 | 634.0 | 209.8 |
| 1991 | 34099.6 | 19512.3 | 6147.7 | 1265.0 | 140.7 |
| 1992 | 34883.2 | 16059.4 | 9130.7 | 1599.4 | 329.1 |
| 1993 | 23621.3 | 16440.2 | 7531.9 | 2739.6 | 479.9 |
| 1994 | 33752.5 | 11137.1 | 7720.3 | 2450.5 | 891.3 |
| 1995 | 47927.5 | 15915.8 | 5232.0 | 2574.6 | 817.2 |
| 1996 | 25468.8 | 22585.0 | 7461.5 | 1530.3 | 753.1 |
| 1997 | 27565.8 | 12000.0 | 10583.4 | 2121.9 | 435.2 |
| 1998 | 30343.6 | 12995.0 | 5632.7 | 3346.0 | 670.9 |
| 1999 | 23380.8 | 14296.4 | 6088.9 | 1591.0 | 945.1 |
| 2000 | 36007.3 | 11019.5 | 6705.6 | 1836.4 | 479.8 |
| 2001 | 41404.8 | 16976.4 | 5174.2 | 2168.3 | 593.8 |
| 2002 | 38810.6 | 19515.9 | 7964.6 | 1586.6 | 664.9 |
| 2003 | 40384.2 | 18293.4 | 9156.5 | 2448.9 | 487.8 |
| 2004 | 29007.6 | 19040.4 | 8590.4 | 2975.5 | 795.8 |
| 2005 | 48278.2 | 13666.8 | 8921.3 | 2422.9 | 839.2 |
| 2006 | 27764.6 | 22750.8 | 6407.6 | 2621.4 | 712.0 |
| 2007 | 17460.7 | 13074.7 | 10642.9 | 1635.1 | 668.9 |
| 2008 | 8480.4 | 8232.6 | 6140.2 | 3475.7 | 534.0 |
| 2009 | 12067.8 | 3994.4 | 3853.9 | 1638.1 | 927.3 |
| 2010 | 12945.4 | 5681.9 | 1867.6 | 951.3 | 404.4 |
| 2011 | 11594.4 | 6090.1 | 2649.8 | 391.6 | 199.5 |
| 2012 | 6664.5 | 5452.2 | 2836.4 | 509.9 | 75.4 |
| 2013 | 44963.3 | 3130.3 | 2529.9 | 431.9 | 77.6 |
| 2014 | 25765.7 | 21087.6 | 1445.7 | 286.5 | 48.9 |