Jan ( N = 526 )

Feb ( N = 450 )

Mar ( N = 526 )

Apr ( N = 505 )

May ( N = 526 )

Jun ( N = 510 )

Jul ( N = 482 )

Aug ( N = 405 )

Sep ( N = 415 )

Oct ( N = 385 )

Nov ( N = 364 )

Dec ( N = 407 )