Jan ( N = 144 )

Mar ( N = 633 )

Apr ( N = 239 )

May ( N = 547 )

Jun ( N = 1023 )

Jul ( N = 1097 )

Aug ( N = 1008 )

Sep ( N = 477 )

Oct ( N = 721 )

Nov ( N = 490 )

Dec ( N = 286 )