| Table 4. Estimated catch scaling factors (same for all ages within each year) | |||
| Year | Catch multiplier | Low | High |
| 1993 | 0.98 | 0.83 | 1.15 |
| 1994 | 1.10 | 0.91 | 1.32 |
| 1995 | 1.25 | 1.03 | 1.51 |
| 1996 | 1.06 | 0.87 | 1.29 |
| 1997 | 0.96 | 0.79 | 1.17 |
| 1998 | 0.80 | 0.65 | 0.97 |
| 1999 | 0.86 | 0.71 | 1.05 |
| 2000 | 1.04 | 0.85 | 1.26 |
| 2001 | 1.52 | 1.25 | 1.84 |
| 2002 | 1.28 | 1.05 | 1.56 |
| 2003 | 1.91 | 1.57 | 2.32 |
| 2004 | 1.38 | 1.14 | 1.68 |
| 2005 | 1.42 | 1.17 | 1.73 |
| 2006 | 1.33 | 1.09 | 1.62 |
| 2007 | 1.39 | 1.15 | 1.70 |
| 2008 | 1.16 | 0.95 | 1.41 |
| 2009 | 1.20 | 0.99 | 1.47 |
| 2010 | 1.24 | 1.01 | 1.51 |
| 2011 | 1.47 | 1.20 | 1.79 |
| 2012 | 1.71 | 1.40 | 2.10 |
| 2013 | 1.74 | 1.42 | 2.13 |