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The image contains two line graphs, the first titled "Percentage of households with electrical appliances (1920-2019)" and the second titled "Number of hours of housework per week, per household (1920-2019)"; both x-axes range from 1920 to 2019 in increments of 20 years, and y-axes vary in scale and units. The first graph depicts 4 lines representing washing machines, refrigerators, vacuum cleaners and electric irons, with data points at 1920:0%, 1940:washing machines 20%, refrigerators 10%, 1960:washing machines 40%, refrigerators 50%, vacuum cleaners and electric irons 10%, 1980:washing machines 60%, refrigerators 90%, vacuum cleaners 20%, electric irons 30%, 2000:washing machines 80%, refrigerators 100%, vacuum cleaners 60%, electric irons 40%, 2019:washing machines 100%, refrigerators 100%, vacuum cleaners 80%, electric irons 70%. The second graph shows a single line for "Hours per week" declining from 1920:50, 1940:40, 1960:30, 1980:20, 2000:10, 2019:<5.
Given the complexity of the image, the above description may not be entirely accurate.
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The line graphs illustrate the proportion of changes in electrical appliances—washing machines, refrigerators, and vacuum cleaners— owed in households and hours spent in housework in a nation from 1920 to 2019.
Overall, while rate of households owning all electrical appliances saw a rise, washing machines had the largest rise among all. On the other hand, the number of hours of housework per week for a household decreased tremendously over the period.
At 1920, although the rate of households done by washing machines was almost 1%, which is the least, almost the centuries later it saw a tremendous rise until 1980 with almost 100% of households using it, followed by a steady figure till 2019 alongside refrigerators, which was used by 30% of households in 1920. On the other hand, 40% of households used vacuum cleaners in 1920, which makes it the most popular item, but reached just above 70% in 2019 with a slight drop in 1980.
Furthermore, the number of hours of housework per week by a household was 50 in 1920 which decreased steadily till 1960 to reach exactly 20 hours per week. Next, it reached just above 10 hours per week in 2019 with a decrease of almost 50%. That is, over the period households per week decreased by 1/ 5 to reach 10 hours per week in 2019.
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