Netflix is spending a pretty penny on original entertainment -- but while that stuff grabs most of the headlines, it's actually licensed titles like TV show reruns that still form the core of the company's streaming business. From a report: That's according to a data analysis from 7Park Data, which found that 80% of Netflix U.S. viewing is from licensed content with 20% from original shows like "House of Cards" or "Stranger Things." The firm also found that 42% of Netflix subscribers watch mostly licensed content (95% or more of their total streaming). Just 18% of Netflix's U.S. streaming customers are "originals dominant," whose viewing comprises 40%-100% of originals, according to 7Park. The data is for the 12-month period that ended September 2017.