Jan ( N = 86 )

Feb ( N = 63 )

Mar ( N = 238 )

Apr ( N = 179 )

May ( N = 142 )

Jun ( N = 133 )

Jul ( N = 122 )

Aug ( N = 85 )

Sep ( N = 219 )

Oct ( N = 226 )

Nov ( N = 243 )

Dec ( N = 245 )