| Table 4c. Stock weight at age in thousand tonnes | |||||
| Year\Age | 0 | 1 | 2 | 3 | 4+ |
| 1988 | 0.0 | 3.8 | 11.3 | 9.0 | 4.8 |
| 1989 | 0.0 | 4.8 | 7.5 | 5.4 | 4.8 |
| 1990 | 0.0 | 8.7 | 9.4 | 3.2 | 2.7 |
| 1991 | 0.0 | 8.7 | 17.1 | 4.6 | 1.7 |
| 1992 | 0.0 | 8.6 | 17.0 | 9.8 | 2.6 |
| 1993 | 0.0 | 12.3 | 16.9 | 9.2 | 5.5 |
| 1994 | 0.0 | 7.8 | 24.2 | 11.2 | 5.6 |
| 1995 | 0.0 | 7.5 | 15.3 | 15.6 | 6.7 |
| 1996 | 0.0 | 10.1 | 14.7 | 9.0 | 9.0 |
| 1997 | 0.0 | 12.6 | 19.9 | 8.3 | 5.1 |
| 1998 | 0.0 | 6.6 | 24.7 | 11.9 | 4.8 |
| 1999 | 0.0 | 7.8 | 12.8 | 14.6 | 6.9 |
| 2000 | 0.0 | 9.3 | 15.3 | 7.6 | 8.4 |
| 2001 | 0.0 | 8.0 | 18.1 | 9.9 | 4.5 |
| 2002 | 0.0 | 11.6 | 15.6 | 11.9 | 5.9 |
| 2003 | 0.0 | 11.6 | 22.7 | 9.5 | 6.9 |
| 2004 | 0.0 | 15.1 | 22.7 | 14.6 | 5.7 |
| 2005 | 0.0 | 10.7 | 29.6 | 14.1 | 8.6 |
| 2006 | 0.0 | 14.6 | 21.0 | 18.3 | 8.3 |
| 2007 | 0.0 | 10.0 | 28.6 | 13.1 | 10.8 |
| 2008 | 0.0 | 8.2 | 19.7 | 18.0 | 7.7 |
| 2009 | 0.0 | 3.9 | 16.0 | 10.5 | 9.9 |
| 2010 | 0.0 | 2.6 | 7.6 | 8.4 | 5.8 |
| 2011 | 0.0 | 3.1 | 5.1 | 3.8 | 4.5 |
| 2012 | 0.0 | 4.3 | 6.0 | 1.9 | 1.8 |
| 2013 | 0.0 | 3.9 | 8.4 | 2.2 | 0.9 |
| 2014 | 0.0 | 9.6 | 7.6 | 3.3 | 1.1 |
| 2015 | 0.0 | 3.6 | 18.7 | 3.5 | 1.7 |