000s Tonnes 2013 2014 2015 2016 2017 2018
Conference 19.7 20.5 21.0 21.5 20.3 20.7
Comice 1.6 2.4 1.9 1.5 1.4 1.5
Concorde 1.7 1.5 1.2 0.8 1.0 1.0
Others 1 1 - - - -