DAI Volume Vs Other Stable Coins

What Is DAI : Dai (or DAI, formerly Sai or SAI) is a stablecoin cryptocurrency which aims to keep its value as close to one United States dollar (USD) as possible through an automated system of smart contracts on the Ethereum blockchain. Dai is maintained and regulated by MakerDAO, a decentralized autonomous organization (DAO) composed of the owners of its governance token, MKR, who may vote on changes to certain parameters in its smart contracts in order to ensure the stability of Dai. What do we examine next? Comparing daily transaction volume of DAI vs Other Stablecoins on DEX swaps. in last 3 month. and, What is the DAI token mostly used for?