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The image contains two line graphs. The first graph shows the percentage of households with electrical appliances from 1920 to 2019. In 1920, washing machines were at 40%, refrigerators at 0%, and vacuum cleaners at 30%. By 1940, washing machines increased to 60%, refrigerators to 55%, and vacuum cleaners to 45%. In 1960, washing machines decreased slightly to 70%, refrigerators increased to 90%, and vacuum cleaners to 70%. By 1980, washing machines remained at 80%, refrigerators reached 100%, and vacuum cleaners also at 90%. In 2000, washing machines remained steady at around 95%, while refrigerators and vacuum cleaners maintained 100%. By 2019, all appliances hit 100%. The second graph displays the number of hours spent on housework per household per week from 1920 to 2019. In 1920, the number was about 50 hours, decreasing to 30 hours by 1960. By 1980, it reduced further to 20 hours and continued a slight decline to about 10 hours in 2000, remaining stable through 2019.
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The two line charts illustrate how the ownership of three types of electrical equipment and the habit of doing household chores has altered from 1920 to 2019 in a nation.
Overall, while number of hours spending on housework per week of each family decreased dramatically, a steep upward trend was seen in the percentage of households with electrical appliances. A striking acceleration was seen in not only refrigerator but also vacuum cleaner consumers.
At the outset, washing machine was applied the least among all with 40% in 1920 and over 70% at the end of the given period, despite a slight growth in a first few years. Meanwhile, the number of people equipped refrigerator skyrocketed from 0% to 90% between 1920 and 1960, peaking at 100% in 1980. Likewise, percentage of households with vacuum cleaner commenced with 30%, after which, it witnessed a steady growth straightforward to 100% in 2000.
That said, amount of housework time accounted for 50 hours initially, through a significant downward trajectory to over 15 hours, it underwent a final decline to 10 hours in 2019
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