Jan ( N = 208 )

Feb ( N = 218 )

Mar ( N = 243 )

Apr ( N = 271 )

May ( N = 254 )

Jun ( N = 260 )

Jul ( N = 248 )

Aug ( N = 246 )

Sep ( N = 254 )

Oct ( N = 212 )

Nov ( N = 241 )

Dec ( N = 228 )