Jan ( N = 196 )

Feb ( N = 169 )

Mar ( N = 192 )

Apr ( N = 180 )

May ( N = 155 )

Jun ( N = 222 )

Jul ( N = 185 )

Aug ( N = 174 )

Sep ( N = 201 )

Oct ( N = 225 )

Nov ( N = 219 )

Dec ( N = 231 )