Although the numbers might not be as big in value as in Canada and Russia for example, fishing in Greenland counts for a total of 94% of the countries economy. Shrimps are 63% of that number.
Comparison between the numbers in tons can bee seen here.
Iceland exports fish in large style, but aluminum is another big export value.
Other Arctic countries are all around 1% of fisheries regarding export value.
In USA the number is around half a percent, but closer to 1.5 in Russia.
The picture on the right shows the importance of fishing in the Arctic, where Greenland and Iceland stand out.