Jan ( N = 300 )

Feb ( N = 268 )

Mar ( N = 299 )

Apr ( N = 142 )

May ( N = 78 )

Jun ( N = 82 )

Jul ( N = 51 )

Aug ( N = 76 )

Sep ( N = 85 )

Oct ( N = 87 )

Nov ( N = 89 )

Dec ( N = 101 )