Jan ( N = 88 )

Feb ( N = 93 )

Mar ( N = 241 )

Apr ( N = 175 )

May ( N = 236 )

Jun ( N = 196 )

Jul ( N = 218 )

Aug ( N = 205 )

Sep ( N = 228 )

Oct ( N = 232 )

Nov ( N = 240 )

Dec ( N = 246 )