the charts below show the changes in ownership of electrical appliances and amount of time spent doing housework in households in one country between 1920 and 2019.

The two charts depict the varieties of electrical appliances and how much time was spent working these devices in families in a span of a century from 1920 to 2019.

Overall

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, it can be seen that the proportion of households that had these items increased considerably

,

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while

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utilizing them decreased substantially. People who had a washing machine accounted for 40% in1920.

Additionally

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, it grew to 60% in 1940 and

then

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to 70% in 1960. It mitigated slightly about 62% in 1980. From onward, it rose gradually to over 70%

at the end

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of the course.

This

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line crossed the other two lines twice. Some families who owned a refrigerator made up 0% in 1920. It

also

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increased substantially to 55% in 1940,

as well as

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this

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trend continued to 90% in the year 1960.

Furthermore

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,

this

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inclination culminated in 100% in 1980 and in the following years. Owning a vacuum cleaner constituted 30% in 1920.

Additionally

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, it rose to 90% in 1980 and reached 100% in 2000 and 2019.

In contrast

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, weekly using these appliances alleviated in those times. At

first,

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it was 50 hours in 1920.

Then

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the use of them dipped down gradually to 20 in 1960. From

then

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on,

this

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figure declined slightly to 10 in 2019.