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 line graphs captured the percentage of having electric devices, and the amount of time consumed to finish the housework, which took place in one country, that started from 1920 to 2019.

Overall

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, at first glance at the line graph, the hours needed for housework showed a downward. Another noticeable feature, the usage of

vacuum

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cleaners

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and refrigerators continuously increased. Digging into the first forty years, on the one hand, the number of using the three devices increased.

However

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, refrigerators figure sharply increased,

while

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depending on

vacuum

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cleaners

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gradually grew,

also

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, the usage of washing machines slightly

raised

Verb problem

increased

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.

On the other hand

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, the percentage of time consumed for chores gradually dropped.

Additionally

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, in 1960, the rate of using washing devices and

vacuum

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cleaners

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was the same. During the rest of the study, from 1960 to 2019,

firstly

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, both the statistics of refrigerators and

vacuum

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cleaners

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slightly grew, next they remained stable, but the rate of washing machines was swing during the whole study.

However

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, the number of hours needed to finish chores slightly dipped at the beginning , and

then

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it remained stable, after that, by the end of the study, it dropped again.