The charts illustrates the alteration in the property of electrical machines and how many hours are spent on performing households chores in a particular country for 1 century [1920-2019].
Overall, the percentages of all the 3 appliances used by people increased dramatically, while the amount of time per household dropped gradually over the entire period.
In terms of electrical appliances, washing machines saw a significant rise between 1920 and 1960 from 0% to 70%, reaching its highest point at 80% in 2019. The percentage of individuals utilized refrigerators experienced a sharp increase, used by 0% in 1920 rose to 90% in 1960 and reached its peak with approximately 100% in 2019. Additionally, vacuum cleaners used by people accounted for a similar trend, starting with 0% in1920, going up rapidly at 90% in 1960 and showing the largest proportion [100%] in 2019.
Turning next to the number of hours spent on housework, by the year 1920, people spent the largest amount of time doing the house chores at 50 hours. However, this figuer went down steadily to be the half of the previous number [20 hours], accounting for its lowest spot at barely between 15 to 20 hours per households in 2019.