| Table 3. Estimates of stock size | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 5779.0 | 3004.1 | 410.1 | 8.2 | 0.2 |
| 1989 | 6172.0 | 2593.3 | 426.2 | 8.2 | 0.2 |
| 1990 | 8678.1 | 2689.7 | 185.0 | 1.4 | 0.0 |
| 1991 | 9300.4 | 3607.7 | 63.6 | 0.0 | 0.0 |
| 1992 | 7432.6 | 4109.0 | 355.2 | 0.5 | 0.0 |
| 1993 | 9201.5 | 3269.1 | 364.2 | 2.1 | 0.0 |
| 1994 | 6990.7 | 4085.4 | 361.3 | 3.8 | 0.0 |
| 1995 | 8007.6 | 3168.6 | 733.1 | 13.4 | 0.1 |
| 1996 | 11594.9 | 3589.7 | 438.9 | 13.8 | 0.3 |
| 1997 | 7754.2 | 5100.6 | 319.4 | 2.6 | 0.1 |
| 1998 | 6774.1 | 3471.2 | 683.6 | 5.5 | 0.0 |
| 1999 | 7187.0 | 3011.0 | 393.7 | 7.6 | 0.1 |
| 2000 | 5836.9 | 3189.9 | 330.1 | 4.0 | 0.1 |
| 2001 | 7440.1 | 2615.8 | 438.7 | 6.1 | 0.1 |
| 2002 | 9781.3 | 3309.8 | 302.6 | 5.2 | 0.1 |
| 2003 | 11726.7 | 4297.8 | 286.5 | 1.7 | 0.0 |
| 2004 | 10441.5 | 5255.7 | 591.9 | 5.3 | 0.0 |
| 2005 | 8847.0 | 4659.5 | 654.3 | 8.4 | 0.1 |
| 2006 | 11374.4 | 3936.4 | 541.4 | 7.8 | 0.1 |
| 2007 | 8660.8 | 5002.1 | 347.8 | 3.1 | 0.0 |
| 2008 | 6509.2 | 3901.5 | 776.6 | 8.8 | 0.1 |
| 2009 | 3595.4 | 2877.3 | 388.7 | 6.2 | 0.1 |
| 2010 | 3449.0 | 1610.9 | 393.7 | 7.1 | 0.1 |
| 2011 | 2190.3 | 1544.1 | 216.4 | 6.8 | 0.1 |
| 2012 | 8442.3 | 931.3 | 61.9 | 0.2 | 0.0 |