Jan ( N = 86 )

Feb ( N = 69 )

Mar ( N = 239 )

Apr ( N = 237 )

May ( N = 241 )

Jun ( N = 186 )

Jul ( N = 190 )

Aug ( N = 199 )

Sep ( N = 223 )

Oct ( N = 232 )

Nov ( N = 162 )

Dec ( N = 248 )