| Table 4. Estimated catch scaling factors (same for all ages within each year) | |||
| Year | Catch multiplier | Low | High | 
| 2003 | 1.17 | 0.78 | 1.76 | 
| 2004 | 0.98 | 0.62 | 1.54 | 
| 2005 | 2.72 | 1.76 | 4.22 | 
| 2006 | 3.30 | 2.14 | 5.09 | 
| 2007 | 3.32 | 2.11 | 5.24 | 
| 2008 | 3.29 | 2.10 | 5.16 | 
| 2009 | 3.44 | 2.19 | 5.42 | 
| 2010 | 3.47 | 2.21 | 5.45 | 
| 2011 | 4.05 | 2.55 | 6.45 | 
| 2012 | 6.28 | 3.84 | 10.28 | 
| 2013 | 5.88 | 3.50 | 9.88 | 
| 2014 | 9.26 | 5.26 | 16.32 | 
| 2015 | 6.73 | 3.72 | 12.16 |