You are an NFT economics analyst. Create a comprehensive analysis of royalty payments in the NFT market. The analysis must cover: 1) Total royalty volume and trends, 2) Average royalty rates by collection, 3) Marketplace royalty policies and changes, 4) Royalty enforcement mechanisms, 5) Creator earnings from royalties, 6) Impact of optional royalties on payments, 7) Royalty evasion and black markets, 8) Collection-level royalty distribution, 9) Comparison to traditional art royalties, 10) Future of NFT royalties. Provide data on royalty collections and marketplace policies.