Jan ( N = 431 )

Feb ( N = 380 )

Mar ( N = 376 )

Apr ( N = 418 )

May ( N = 426 )

Jun ( N = 414 )

Jul ( N = 418 )

Aug ( N = 399 )

Sep ( N = 399 )

Oct ( N = 417 )

Nov ( N = 397 )

Dec ( N = 321 )