Jan ( N = 89 )

Feb ( N = 96 )

Mar ( N = 238 )

Apr ( N = 170 )

May ( N = 233 )

Jun ( N = 196 )

Jul ( N = 217 )

Aug ( N = 198 )

Sep ( N = 225 )

Oct ( N = 232 )

Nov ( N = 240 )

Dec ( N = 246 )