Jan ( N = 426 )

Feb ( N = 156 )

Mar ( N = 312 )

Apr ( N = 319 )

May ( N = 330 )

Jun ( N = 397 )

Jul ( N = 405 )

Aug ( N = 432 )

Sep ( N = 253 )

Oct ( N = 370 )

Nov ( N = 418 )

Dec ( N = 427 )