Jan ( N = 1085 )

Feb ( N = 978 )

Mar ( N = 1085 )

Apr ( N = 1026 )

May ( N = 1085 )

Jun ( N = 1050 )

Jul ( N = 1085 )

Aug ( N = 491 )

May ( N = None )

Jun ( N = None )

Jul ( N = 272 )

Aug ( N = 526 )

Dec ( N = 869 )