FLT05: SSB acoustic (Catch: Unknown) (Effort: Unknown) 
1 12 2 
'YEAR' 'VPA' 'SSBAC' 
2007   1    47.58260865 
2008   1    41.90997272 
2009   1    76.78696549 
2010   1    91.38887735 
2011   1    61.90753891 
2012   1    52.07102431 
2013   1    114.0442452 
2014   1    28.39684058 
2015   1    60.3282748
2016   1    74.27573
2017   1    41.6836
2018   1    38.9738
2019   1    41.1849