According to ChainCatcher, PancakeSwap v4 has destroyed 8,589,242 CAKE, worth about $18 million, according to the official announcement of PancakeSwap.
In terms of transaction fees, AMM V2 charges 82k CAKE, AMM V3 charges 14 4k CAKE, prediction market charges 6 3k CAKE, and lottery charges 3 3k CAKE. Other income includes non-AMM (0.4k CAKE), NFT (0.3k CAKE) and games (1k CAKE).