Its weekly "Money Market Mutual Fund Assets" says, "Total money market mutual fund assets decreased by $46.03 billion to $3.240 trillion for the week ended Wednesday, January 20, the Investment Company Institute reported today. Taxable government funds decreased by $29.02 billion, taxable non-government funds decreased by $11.48 billion, and tax-exempt funds decreased by $5.53 billion." It continues, "Assets of retail money market funds decreased by $4.88 billion to $1.055 trillion. Taxable government money market fund assets in the retail category decreased by $180 million to $161.81 billion, taxable non-government money market fund assets decreased by $2.99 billion to $660.14 billion, and tax-exempt fund assets decreased by $1.71 billion to $233.11 billion.... Assets of institutional money market funds decreased by $41.15 billion to $2.185 trillion. Among institutional funds, taxable government money market fund assets decreased by $28.84 billion to $843.55 billion, taxable non-government money market fund assets decreased by $8.49 billion to $1.184 trillion, and tax-exempt fund assets decreased by $3.82 billion to $156.73 billion." The report adds, "ICI reports money market fund assets to the Federal Reserve each week. Revisions are due to data adjustments, reclassifications, and changes in the number of funds reporting. Historical weekly money market data back to January 2008 are available on the ICI website."