Jan ( N = 215 )

Feb ( N = 154 )

Mar ( N = 198 )

Apr ( N = 284 )

May ( N = 254 )

Jun ( N = 160 )

Jul ( N = 124 )

Aug ( N = 140 )

Sep ( N = 144 )

Oct ( N = 116 )

Nov ( N = 260 )

Dec ( N = 261 )