Jan ( N = 274 )

Feb ( N = 270 )

Mar ( N = 265 )

Apr ( N = 247 )

May ( N = 202 )

Jun ( N = 217 )

Jul ( N = 178 )

Aug ( N = 275 )

Sep ( N = 119 )

Oct ( N = 129 )

Nov ( N = 251 )

Dec ( N = 296 )