Jan ( N = 95 )

Feb ( N = 79 )

Mar ( N = 236 )

Apr ( N = 235 )

May ( N = 238 )

Jun ( N = 183 )

Jul ( N = 197 )

Aug ( N = 199 )

Sep ( N = 225 )

Oct ( N = 233 )

Nov ( N = 158 )

Dec ( N = 246 )