Probably find it is a tough market to accurately calculate...

Probably find it is a tough market to accurately calculate correctly. So many smelters globally with so much waste and slag. Inherent losses through the refining process and then add into the mix, much of that happens in China. How much of the copper market is actually transparent in China and are the numbers correct? Then mix that in with some major copper thefts within China and elsewhere like the 300,000t Huludao Ruisheng theft or
https://insightcrime.org/news/brief/chile-copper-china-demand/
Might find reporting changes when western alliances move production away from China. Which will happen when battery recycling gains a larger market share.