Jan ( N = 2139 )

Feb ( N = 1930 )

Mar ( N = 1991 )

Apr ( N = 1982 )

May ( N = 2139 )

Jun ( N = 1994 )

Jul ( N = 2139 )

Aug ( N = 2121 )

Sep ( N = 1035 )

Oct ( N = 2129 )

Nov ( N = 1598 )

Dec ( N = 1482 )