| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 18668.5 | 5629.6 | 3769.4 | 1227.2 | 399.6 |
| 1989 | 18758.9 | 10834.0 | 3263.6 | 1227.2 | 399.6 |
| 1990 | 28269.0 | 11112.3 | 6408.7 | 891.4 | 335.2 |
| 1991 | 24105.4 | 15675.8 | 6155.6 | 2014.7 | 280.2 |
| 1992 | 24584.2 | 16227.4 | 10544.3 | 2675.5 | 875.7 |
| 1993 | 19536.1 | 14338.9 | 9459.4 | 4510.8 | 1144.6 |
| 1994 | 37314.3 | 12514.0 | 9181.2 | 4881.7 | 2327.9 |
| 1995 | 60336.5 | 21970.5 | 7365.4 | 4409.8 | 2344.7 |
| 1996 | 37073.4 | 30621.9 | 11145.2 | 2889.0 | 1729.7 |
| 1997 | 54154.1 | 21818.7 | 18013.3 | 5067.0 | 1313.4 |
| 1998 | 59735.3 | 25724.2 | 10360.5 | 7024.3 | 1975.9 |
| 1999 | 33559.4 | 23371.5 | 10060.2 | 3194.1 | 2165.6 |
| 2000 | 42925.6 | 12981.8 | 9036.8 | 3042.9 | 966.1 |
| 2001 | 46186.4 | 21623.9 | 6536.8 | 3592.9 | 1209.8 |
| 2002 | 71085.0 | 31517.1 | 14749.7 | 3532.3 | 1941.5 |
| 2003 | 85339.7 | 34085.8 | 15107.3 | 5821.2 | 1394.1 |
| 2004 | 75660.8 | 40374.9 | 16120.8 | 5937.6 | 2287.9 |
| 2005 | 123548.0 | 39428.0 | 21031.7 | 6766.1 | 2492.1 |
| 2006 | 35072.8 | 29105.2 | 9284.7 | 3982.7 | 1281.3 |
| 2007 | 47153.2 | 26921.9 | 22329.6 | 5368.3 | 2302.8 |
| 2008 | 75033.8 | 21917.8 | 12510.5 | 8965.3 | 2155.4 |
| 2009 | 29250.5 | 11256.8 | 3286.2 | 1350.4 | 967.7 |
| 2010 | 13746.5 | 7219.8 | 2773.7 | 313.3 | 128.8 |
| 2011 | 15945.3 | 5328.2 | 2795.3 | 588.3 | 66.5 |
| 2012 | 13108.4 | 6887.7 | 2298.1 | 530.9 | 111.7 |
| 2013 | 37624.6 | 7331.5 | 3842.3 | 310.6 | 71.7 |