Jan ( N = 279 )

Feb ( N = 248 )

Mar ( N = 273 )

Apr ( N = 270 )

May ( N = 279 )

Jun ( N = 260 )

Jul ( N = 201 )

Aug ( N = 270 )

Sep ( N = 256 )

Oct ( N = 277 )

Nov ( N = 268 )

Dec ( N = 278 )