Jan ( N = 200 )

Feb ( N = 191 )

Mar ( N = 96 )

Apr ( N = 330 )

May ( N = 177 )

Jun ( N = 212 )

Jul ( N = 391 )

Aug ( N = 328 )

Sep ( N = 348 )

Oct ( N = 297 )

Nov ( N = 247 )

Dec ( N = 221 )