Complex sentence: The week later, the song was ranked at number five, and its sales dropped to 3,072; thereafter, it continued to drop and totaled 27 weeks in the top 50 and 38 weeks in the top 100.
Split into simpler sentences: The week later, the song ranked at number five, and the weekly sales dropped to 3,072. Thereafter, it continued to drop and totaled 27 weeks in the top 50 and 38 weeks in the top 100.