Jan ( N = 433 )

Feb ( N = 391 )

Mar ( N = 371 )

Apr ( N = 419 )

May ( N = 421 )

Jun ( N = 417 )

Jul ( N = 411 )

Aug ( N = 431 )

Sep ( N = 417 )

Oct ( N = 428 )

Nov ( N = 364 )

Dec ( N = 429 )