Jan ( N = 178 )

Feb ( N = 162 )

Mar ( N = 149 )

Apr ( N = 252 )

May ( N = 276 )

Jun ( N = 252 )

Jul ( N = 177 )

Aug ( N = 265 )

Sep ( N = 245 )

Oct ( N = 274 )

Nov ( N = 269 )

Dec ( N = 272 )