Jan ( N = 90 )

Feb ( N = 69 )

Mar ( N = 235 )

Apr ( N = 180 )

May ( N = 123 )

Jun ( N = 142 )

Jul ( N = 123 )

Aug ( N = 75 )

Sep ( N = 220 )

Oct ( N = 229 )

Nov ( N = 230 )

Dec ( N = 244 )