In January 2016​, currency held by individuals and businesses and​ traveler's checks was ​$1,347 ​billion; checkable deposits owned by individuals and businesses were ​$1,764 ​billion; savings deposits were ​$8,189 ​billion; small time deposits were ​$400 ​billion; and money market funds and other deposits were ​$709 billion. Calculate savings deposits in January 2016.