Jan ( N = 399 )

Feb ( N = 359 )

Mar ( N = 324 )

Apr ( N = 353 )

May ( N = 336 )

Jun ( N = 381 )

Jul ( N = 381 )

Aug ( N = 343 )

Sep ( N = 393 )

Oct ( N = 401 )

Nov ( N = 364 )

Dec ( N = 377 )