Jan ( N = 258 )

Feb ( N = 205 )

Mar ( N = 311 )

Apr ( N = 390 )

May ( N = 457 )

Jun ( N = 386 )

Jul ( N = 319 )

Aug ( N = 231 )

Sep ( N = 411 )

Oct ( N = 315 )

Nov ( N = 298 )

Dec ( N = 195 )