Jan ( N = 91 )

Feb ( N = 79 )

Mar ( N = 237 )

Apr ( N = 236 )

May ( N = 240 )

Jun ( N = 183 )

Jul ( N = 186 )

Aug ( N = 192 )

Sep ( N = 219 )

Oct ( N = 231 )

Nov ( N = 162 )

Dec ( N = 246 )