One exception was Jeannie C. Riley's "Harper Valley PTA," which advanced 74 slots in August 1968; this upward acceleration went unmatched for 30 years, but has been surpassed over a dozen times since 2006.
Jedna výnimka bola „Harper Valley PTA“ od Jeannie C. Riley, ktorá v auguste 1968 zvýšila 74 slotov, toto zrýchlenie sa stalo bezkonkurenčným po dobu 30 rokov, ale od roku 2006 bolo viac ako desaťkrát prekonané.