Are 80% of Coinbase users buying bancor network token?

Could you elaborate on the claim that 80% of Coinbase users are purchasing the Bancor Network Token? Given the vast number of crypto assets available on Coinbase, it seems like a significant percentage. Is there any data or evidence to support this assertion? Could you provide details on the methodology used to arrive at this conclusion? Also, how does this percentage compare to the overall adoption and usage of the Bancor Network Token within the cryptocurrency community?