| Table 4. Estimated catch scaling factors (same for all ages within each year) | |||
| Year | Catch multiplier | Low | High | 
| 2003 | 1.47 | 0.99 | 2.18 | 
| 2004 | 1.11 | 0.68 | 1.80 | 
| 2005 | 2.82 | 1.68 | 4.72 | 
| 2006 | 2.63 | 1.54 | 4.49 | 
| 2007 | 1.92 | 1.10 | 3.32 | 
| 2008 | 3.14 | 1.83 | 5.38 | 
| 2009 | 3.22 | 1.93 | 5.36 | 
| 2010 | 2.54 | 1.54 | 4.19 | 
| 2011 | 2.35 | 1.41 | 3.89 | 
| 2012 | 3.90 | 2.28 | 6.65 | 
| 2013 | 4.55 | 2.63 | 7.89 | 
| 2014 | 6.08 | 3.38 | 10.95 | 
| 2015 | 6.99 | 3.97 | 12.32 | 
| 2016 | 8.00 | 4.62 | 13.86 | 
| 2017 | 5.03 | 2.93 | 8.63 | 
| 2018 | 5.20 | 3.06 | 8.82 | 
| 2019 | 4.71 | 2.83 | 7.82 |