0% 10% 20% 30% 40% 50% 60% 70% 80% Winning bidders that received bidding credits Comparison of Winning Bidders with Bidding Credits in Auctions 35, 58, 66 and 73 Comparison of Winning Bidders with Bidding Credits in Auctions 35, 58, 66 and 73 21 of 35 12 of 24 57 of 104 50% 55% 56 of 101 55% Auction 35 Auction 58 Auction 66 Auction 73 60%