The title is quite confusing. It sounds like the last time all top 10 spots were occupied by sequels was 50 years ago. What they actually meant is that over the last 50 years numbers of sequels in top 10 was gradually increasing (starting from 0 in 1973/1974).
The title is quite confusing. It sounds like the last time all top 10 spots were occupied by sequels was 50 years ago. What they actually meant is that over the last 50 years numbers of sequels in top 10 was gradually increasing (starting from 0 in 1973/1974).