Jan ( N = 1020 )

Feb ( N = 957 )

Mar ( N = 1023 )

Apr ( N = 990 )

May ( N = 979 )

Jun ( N = 990 )

Jul ( N = 1018 )

Aug ( N = 766 )

Sep ( N = 988 )

Oct ( N = 695 )

Nov ( N = 983 )

Dec ( N = 981 )