■ List of MTC active and inactive years year# of MTC events# of TC associated with MTCTotal TC frequencyYear type 199291928 MTC active year (7) 199381625 197971618 198971626 199071523 199472233 200471522 19804920 MTC inactive year (7) 20054818 19813821 19863817 199831420 20033818 19832517 Observational Analysis II – Interannual Variability