For the most recent December $31,$ for almost all Savings Institutions $($SIs$),$ the predominate type of collateral for Real Estate mortgage loans that SIs originated was for $\_\_\_\_\_\_\_\_\_.$

Group of answer choices

Dwellings for four or fewer families $($SFR$)$

Land for commercial purposes

Commercial buildings

Multifamily $($more than four$)$ dwellings such as apartment complexes or condominiums

Private farm dwellings