Jan ( N = 144 )

Feb ( N = 411 )

Mar ( N = 536 )

Apr ( N = 519 )

May ( N = 417 )

Jun ( N = 95 )

Jul ( N = 389 )

Aug ( N = 158 )

Sep ( N = 187 )

Oct ( N = 204 )

Nov ( N = 370 )

Dec ( N = 407 )