Jan ( N = 457 )

Feb ( N = 376 )

Mar ( N = 200 )

Apr ( N = 206 )

May ( N = 401 )

Jun ( N = 330 )

Jul ( N = 474 )

Aug ( N = 431 )

Sep ( N = 351 )

Oct ( N = 189 )

Nov ( N = 356 )

Dec ( N = 389 )