I meant to comment that I doubt the Baltic Sea sees on the order of 1% of world's total shipping tonnage, but actually it seems that is roughly the correct figu

I meant to comment that I doubt the Baltic Sea sees on the order of 1% of world's total shipping tonnage, but actually it seems that is roughly the correct figure. The Bornholm Cable seems to have been cut several times in the 2000s, but I can't find anything about any other breakages before 2022.