The given figure provides a comparative analysis of percent of electrical appliances in households and the time of doing chores every week for the years 1920 to 2019.
Overall, a steady increase can be seen in the use of vaccum cleaners, while the changes for refrigerators and washing machines varied drastically.
The use of vcaccum cleaners can be seen increasing massively through the years, and it noted only a slight dip towards the 1980s, becoming stable after the 2000’s. On the other hand, an inconsistent growth and decline can be seen in the use if washing machines thorughout the years, peeking only just above 70% in the year 2019. A linear growth can be observed in the use of vaccum cleaners, already starting at 30% in the beggining and going upto 100% by the year 2019.
It is evident from the data that vaccum cleaners remained the most popular electric appliance throughout the years, depicting a steady linear growth. Following up behind vaccum cleaners were refigerators which also experienced a stable growth in their numbers. It can also be concluded from the data that washing machines remained the least popular appliance eveyr year.