Comment by antonymoose 12 hours ago What happened 50 years ago to cause a major outflow? 1 comment antonymoose Reply bryanlarsen 12 hours ago The text says "in at least half a century"; probably they just couldn't find data for further back.
bryanlarsen 12 hours ago The text says "in at least half a century"; probably they just couldn't find data for further back.
The text says "in at least half a century"; probably they just couldn't find data for further back.