Jan ( N = 87 )

Feb ( N = 63 )

Mar ( N = 235 )

Apr ( N = 185 )

May ( N = 141 )

Jun ( N = 143 )

Jul ( N = 118 )

Aug ( N = 84 )

Sep ( N = 222 )

Oct ( N = 236 )

Nov ( N = 236 )

Dec ( N = 246 )