Assume that in 2001, a gold dollar minted in 1887 sold for $114152. For this to have been true, what annual rate of return did this coin return for the lucky numismatist? (Enter your answer as a percentage, omit the "%" sign in your response, and round your answer to 2 decimal places. For example, 0.12345 or 12.345% should be entered as 12.35.)