Jan ( N = 268 )

Feb ( N = 287 )

Mar ( N = 373 )

Apr ( N = 381 )

May ( N = 466 )

Jun ( N = 227 )

Jul ( N = 358 )

Aug ( N = 426 )

Sep ( N = 389 )

Oct ( N = 330 )

Nov ( N = 265 )

Dec ( N = 274 )