Jan ( N = 48 )

Feb ( N = 40 )

Mar ( N = 1 )

Apr ( N = 6 )

May ( N = 585 )

Jun ( N = 959 )

Jul ( N = 970 )

Aug ( N = 985 )

Sep ( N = 943 )

Oct ( N = 991 )

Nov ( N = 1126 )

Dec ( N = 1175 )