Jan ( N = 93 )

Feb ( N = 86 )

Mar ( N = 93 )

Apr ( N = 201 )

May ( N = 481 )

Jun ( N = 344 )

Jul ( N = 458 )

Aug ( N = 429 )

Sep ( N = 442 )

Oct ( N = 387 )

Nov ( N = 447 )

Dec ( N = 457 )