Jan ( N = 83 )

Feb ( N = 91 )

Mar ( N = 236 )

Apr ( N = 184 )

May ( N = 236 )

Jun ( N = 204 )

Jul ( N = 221 )

Aug ( N = 212 )

Sep ( N = 225 )

Oct ( N = 232 )

Nov ( N = 236 )

Dec ( N = 245 )