Jan ( N = 279 )

Feb ( N = 252 )

Mar ( N = 279 )

Apr ( N = 270 )

May ( N = 276 )

Jun ( N = 253 )

Jul ( N = 286 )

Aug ( N = 1084 )

Sep ( N = 1363 )

Oct ( N = 1418 )

Nov ( N = 1365 )

Dec ( N = 1425 )