The line graph demonstrates the variation in usage of electrical appliances such as Refrigerator , Vacuum-cleaned and Washing machine . And the other graph shows how much time spent on household chores in a specific country between 1920 and 2019 .
Overall , the usage of Refrigerator and vacuum cleaner saw a significant rise over the years , while Washing machine’s usage rose moderately . In contrast the time spent on hose works collapsed through out the period .
To begin with ,the amount of ownership of Refrigerator rapidly increased from 0 to 90 percentage in 1960 .In following years , it’s consumption jumped to 100 percentage . Similarly , the need of vacuum cleaner went to 90 percentage in 1980 from 30 percentage in the beginning .It soared up to 100 percentage in the upcoming years .
On the other hand , usage of Washing machine had different pattern than the other two .It’s consumption doubled over the years from 40 to almost 80 percentage with fluctuation in the middle .
In contrast people spent 50 hours per week to do domestic works in 1920 .But it plunged to 10 hours per week in 2019 . It was dramatically decreased then stayed almost constant for the next years