The total book value of the Federal Home Loan Banks’ eligible collateral was up 21 percent in 2016, rising to $2.8 trillion from $2.3 trillion, according to the Federal Housing Finance Agency’s recently released report to Congress highlighting the amounts and types of collateral pledged to the FHLBanks.Advances over the same period rose by 11 percent from $634 million to $705 million. Reported borrowing capacity was $2.1 trillion. Single-family and multifamily residential loans accounted for the majority of the book value of collateral, both eligible (61 percent) and pledged (58 percent).