Jan ( N = 516 )

Feb ( N = 487 )

Mar ( N = 530 )

Apr ( N = 425 )

May ( N = 301 )

Jun ( N = 428 )

Jul ( N = 395 )

Aug ( N = 118 )

Sep ( N = 292 )

Oct ( N = 62 )

Nov ( N = 551 )

Dec ( N = 419 )