Jan ( N = 88 )

Feb ( N = 95 )

Mar ( N = 232 )

Apr ( N = 162 )

May ( N = 227 )

Jun ( N = 197 )

Jul ( N = 224 )

Aug ( N = 203 )

Sep ( N = 219 )

Oct ( N = 229 )

Nov ( N = 234 )

Dec ( N = 245 )