Jan ( N = 417 )

Feb ( N = 364 )

Mar ( N = 377 )

Apr ( N = 354 )

May ( N = 341 )

Jun ( N = 311 )

Jul ( N = 309 )

Aug ( N = 279 )

Sep ( N = 256 )

Oct ( N = 248 )

Nov ( N = 220 )

Dec ( N = 434 )