Jan ( N = 132 )

Feb ( N = 48 )

Mar ( N = 387 )

Apr ( N = 219 )

May ( N = 613 )

Jun ( N = 336 )

Jul ( N = 326 )

Aug ( N = 437 )

Sep ( N = 376 )

Oct ( N = 296 )

Nov ( N = 36 )

Dec ( N = 531 )