Jan ( N = 87 )

Feb ( N = 72 )

Mar ( N = 239 )

Apr ( N = 240 )

May ( N = 243 )

Jun ( N = 185 )

Jul ( N = 190 )

Aug ( N = 202 )

Sep ( N = 227 )

Oct ( N = 230 )

Nov ( N = 162 )

Dec ( N = 246 )