| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 5344.9 | 1112.9 | 3794.4 | 1267.3 | 423.3 |
| 1989 | 15205.6 | 3239.3 | 665.4 | 1267.3 | 423.3 |
| 1990 | 15914.2 | 9185.1 | 1823.8 | 18.1 | 34.5 |
| 1991 | 14489.2 | 9566.9 | 4736.1 | 1.3 | 0.0 |
| 1992 | 16973.2 | 8776.3 | 5661.9 | 1032.1 | 0.3 |
| 1993 | 8723.6 | 10284.4 | 5226.4 | 1598.2 | 291.3 |
| 1994 | 7785.1 | 5287.5 | 6160.0 | 1878.1 | 574.3 |
| 1995 | 18334.3 | 4719.3 | 3175.5 | 2475.3 | 754.7 |
| 1996 | 24763.7 | 11111.8 | 2822.7 | 1075.7 | 838.5 |
| 1997 | 5247.7 | 14996.9 | 6553.4 | 532.1 | 202.8 |
| 1998 | 10313.2 | 3179.8 | 8937.2 | 1906.5 | 154.8 |
| 1999 | 13184.3 | 6252.3 | 1911.8 | 3763.7 | 802.9 |
| 2000 | 16565.5 | 7991.0 | 3743.5 | 676.4 | 1331.6 |
| 2001 | 14827.5 | 10040.0 | 4781.5 | 1289.7 | 233.0 |
| 2002 | 5274.8 | 8987.7 | 6020.7 | 1805.2 | 486.9 |
| 2003 | 29757.6 | 3197.3 | 5387.5 | 2235.7 | 670.3 |
| 2004 | 18888.1 | 18036.1 | 1914.3 | 1906.2 | 791.1 |
| 2005 | 6642.4 | 11431.8 | 10522.0 | 229.3 | 228.4 |
| 2006 | 35282.1 | 4026.4 | 6857.6 | 4028.3 | 87.8 |
| 2007 | 2194.6 | 21386.5 | 2414.8 | 2603.8 | 1529.5 |
| 2008 | 4242.6 | 1329.8 | 12743.1 | 698.3 | 753.0 |
| 2009 | 2377.3 | 2572.1 | 800.2 | 5544.9 | 303.9 |
| 2010 | 4183.6 | 1440.9 | 1540.7 | 287.9 | 1995.4 |
| 2011 | 4498.0 | 2535.7 | 862.7 | 543.6 | 101.6 |
| 2012 | 5255.0 | 2711.6 | 1375.8 | 5.0 | 3.2 |
| 2013 | 9755.5 | 3127.0 | 1161.2 | 0.0 | 0.0 |