Jan ( N = 86 )

Feb ( N = 94 )

Mar ( N = 238 )

Apr ( N = 169 )

May ( N = 233 )

Jun ( N = 197 )

Jul ( N = 223 )

Aug ( N = 202 )

Sep ( N = 225 )

Oct ( N = 231 )

Nov ( N = 234 )

Dec ( N = 248 )