Jan ( N = 87 )

Feb ( N = 66 )

Mar ( N = 236 )

Apr ( N = 203 )

May ( N = 140 )

Jun ( N = 148 )

Jul ( N = 127 )

Aug ( N = 82 )

Sep ( N = 228 )

Oct ( N = 231 )

Nov ( N = 236 )

Dec ( N = 247 )