I think Norway have updated their systems, they show their weekly prices and volume, fresh and frozen.
So more direct than using fishpool
https://www.ssb.no/en/utenriksokonomi/utenrikshandel/statistikk/eksport-av-laks
They have monthly data available with export destinations as well, which looks to come out quicker than comtrade, not sure if its much use to us though.
https://www.ssb.no/en/statbank/list/muh