Jan ( N = 249 )

Feb ( N = 236 )

Mar ( N = 271 )

Apr ( N = 264 )

May ( N = 278 )

Jun ( N = 264 )

Jul ( N = 239 )

Aug ( N = 272 )

Sep ( N = 260 )

Oct ( N = 277 )

Nov ( N = 253 )

Dec ( N = 251 )