| Table 4. Estimated catch scaling factors (same for all ages within each year) | |||
| Year | Catch multiplier | Low | High | 
| 2003 | 1.39 | 1.04 | 1.87 | 
| 2004 | 1.08 | 0.76 | 1.54 | 
| 2005 | 2.80 | 1.94 | 4.05 | 
| 2006 | 2.61 | 1.78 | 3.82 | 
| 2007 | 1.96 | 1.33 | 2.87 | 
| 2008 | 3.32 | 2.28 | 4.83 | 
| 2009 | 3.93 | 2.72 | 5.70 | 
| 2010 | 3.28 | 2.25 | 4.77 | 
| 2011 | 3.33 | 2.21 | 5.00 | 
| 2012 | 5.59 | 3.69 | 8.49 | 
| 2013 | 5.98 | 3.89 | 9.19 | 
| 2014 | 6.45 | 3.82 | 10.90 | 
| 2015 | 5.99 | 3.65 | 9.84 | 
| 2016 | 5.66 | 3.52 | 9.11 |