Jan ( N = 1026 )

Feb ( N = 987 )

Mar ( N = 950 )

Apr ( N = 935 )

May ( N = 1177 )

Jun ( N = 1140 )

Jul ( N = 1144 )

Aug ( N = 531 )

Sep ( N = 628 )

Oct ( N = 465 )

Nov ( N = 912 )

Dec ( N = 873 )