| Table 4. Estimated catch scaling factors (same for all ages within each year) | |||
| Year | Catch multiplier | Low | High |
| 2003 | 1.43 | 1.02 | 2.01 |
| 2004 | 1.09 | 0.73 | 1.62 |
| 2005 | 2.93 | 1.94 | 4.42 |
| 2006 | 2.86 | 1.88 | 4.35 |
| 2007 | 2.14 | 1.39 | 3.30 |
| 2008 | 3.41 | 2.25 | 5.19 |
| 2009 | 3.90 | 2.57 | 5.92 |
| 2010 | 3.44 | 2.27 | 5.22 |
| 2011 | 3.67 | 2.37 | 5.69 |
| 2012 | 6.35 | 4.05 | 9.96 |
| 2013 | 7.03 | 4.45 | 11.10 |
| 2014 | 8.18 | 4.98 | 13.44 |
| 2015 | 7.82 | 4.98 | 12.28 |
| 2016 | 7.35 | 4.74 | 11.38 |
| 2017 | 4.09 | 2.64 | 6.33 |
| 2018 | 4.60 | 2.98 | 7.10 |