Jan ( N = 88 )

Feb ( N = 58 )

Mar ( N = 236 )

Apr ( N = 199 )

May ( N = 127 )

Jun ( N = 144 )

Jul ( N = 125 )

Aug ( N = 80 )

Sep ( N = 227 )

Oct ( N = 230 )

Nov ( N = 235 )

Dec ( N = 247 )