Jan ( N = 116 )

Feb ( N = 106 )

Mar ( N = 114 )

Apr ( N = 80 )

May ( N = 115 )

Jun ( N = 71 )

Jul ( N = 117 )

Aug ( N = 115 )

Sep ( N = 115 )

Oct ( N = 116 )

Nov ( N = 105 )

Dec ( N = 114 )