Uhm—an personal experience like this holds approximately zero data about its own frequency. The sheer number of things you encounter and learn about while growing up, and the universe of learning are both so vast that if your exploration of the library strays from the beaten path of school assignments, bestsellers and nigh-compulsory classics at all, you will learn many, many things which only small minorities have also encountered.
Uhm—an personal experience like this holds approximately zero data about its own frequency. The sheer number of things you encounter and learn about while growing up, and the universe of learning are both so vast that if your exploration of the library strays from the beaten path of school assignments, bestsellers and nigh-compulsory classics at all, you will learn many, many things which only small minorities have also encountered.