Jan ( N = 473 )

Feb ( N = 451 )

Mar ( N = 493 )

Apr ( N = 471 )

May ( N = 473 )

Jun ( N = 455 )

Jul ( N = 233 )

Aug ( N = 334 )

Sep ( N = 299 )

Oct ( N = 177 )

Nov ( N = 227 )

Dec ( N = 192 )