| 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 | 1.52 | 
| 1996 | 1.06 | 0.87 | 1.30 | 
| 1997 | 0.96 | 0.79 | 1.17 | 
| 1998 | 0.80 | 0.65 | 0.97 | 
| 1999 | 0.86 | 0.71 | 1.06 | 
| 2000 | 1.04 | 0.85 | 1.27 | 
| 2001 | 1.51 | 1.24 | 1.84 | 
| 2002 | 1.27 | 1.04 | 1.55 | 
| 2003 | 1.88 | 1.54 | 2.29 | 
| 2004 | 1.34 | 1.10 | 1.63 | 
| 2005 | 1.36 | 1.12 | 1.66 | 
| 2006 | 1.29 | 1.05 | 1.57 | 
| 2007 | 1.36 | 1.12 | 1.67 | 
| 2008 | 1.14 | 0.93 | 1.39 | 
| 2009 | 1.18 | 0.97 | 1.45 | 
| 2010 | 1.22 | 0.99 | 1.50 | 
| 2011 | 1.46 | 1.19 | 1.79 | 
| 2012 | 1.68 | 1.37 | 2.07 |