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 line graphs illustrate the possession and usage

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of three different types of electrical appliances in one country from 1920 to 2019. 

Overall

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, it can be seen that despite the clear upward trend in the

percentage

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of households with appliances, the time of usage of housework per

week

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decreased over time. 

According to

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the first chart, in 1920,

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washing machines showed a higher

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at the beginning of the period (40%), compared to the ownership of refrigerators which was almost zero. In the same year, the usage of vacuum cleaners was around 30% of households. After 40 years the

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of people using washing machines and vacuum cleaners had reached the same value(70%),

while

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the ownership of refrigerators soared noticeably at 90% of households. It is evident that

at the end

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of the period, the most bought electrical appliances were washing machines and vacuum cleaners. In terms of the

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of time doing housework per

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, in 1920 it was 50

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per

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. After 4 decades, the number of

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per

week

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spent working plummeted to 20

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.

Then

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it began to fall slightly till 2019

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when it was approximately 10

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of working per

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.