Jan ( N = 89 )

Feb ( N = 81 )

Mar ( N = 238 )

Apr ( N = 234 )

May ( N = 240 )

Jun ( N = 184 )

Jul ( N = 187 )

Aug ( N = 191 )

Sep ( N = 219 )

Oct ( N = 231 )

Nov ( N = 161 )

Dec ( N = 245 )