| Table 4. Estimated catch scaling factors (same for all ages within each year) | |||
| Year | Catch multiplier | Low | High | 
| 2003 | 1.48 | 0.99 | 2.21 | 
| 2004 | 1.12 | 0.69 | 1.82 | 
| 2005 | 2.90 | 1.73 | 4.86 | 
| 2006 | 2.75 | 1.61 | 4.69 | 
| 2007 | 2.05 | 1.19 | 3.55 | 
| 2008 | 3.44 | 2.02 | 5.87 | 
| 2009 | 3.59 | 2.17 | 5.93 | 
| 2010 | 2.79 | 1.70 | 4.59 | 
| 2011 | 2.54 | 1.54 | 4.19 | 
| 2012 | 4.12 | 2.43 | 7.00 | 
| 2013 | 4.79 | 2.77 | 8.30 | 
| 2014 | 6.45 | 3.56 | 11.67 | 
| 2015 | 7.64 | 4.34 | 13.44 | 
| 2016 | 9.16 | 5.37 | 15.63 | 
| 2017 | 6.04 | 3.56 | 10.24 | 
| 2018 | 6.30 | 3.78 | 10.50 | 
| 2019 | 5.17 | 3.14 | 8.50 | 
| 2020 | 6.14 | 3.66 | 10.30 |