Jan ( N = 28 )

Feb ( N = 47 )

Mar ( N = 193 )

Apr ( N = 353 )

May ( N = 395 )

Jun ( N = 386 )

Jul ( N = 401 )

Aug ( N = 393 )

Sep ( N = 291 )

Oct ( N = 24 )

Nov ( N = 34 )

Dec ( N = 14 )