The 1991 data and on was 4+ hours per person (older than 2). 7-8 hours per household. They didn't have per person for the 1950 to 1990 data, only household (pd

The 1991 data and on was 4+ hours per person (older than 2). 7-8 hours per household. They didn't have per person for the 1950 to 1990 data, only household (pdf in the link).