Jan ( N = 87 )

Feb ( N = 95 )

Mar ( N = 245 )

Apr ( N = 178 )

May ( N = 236 )

Jun ( N = 204 )

Jul ( N = 219 )

Aug ( N = 209 )

Sep ( N = 221 )

Oct ( N = 233 )

Nov ( N = 235 )

Dec ( N = 244 )