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

The line graphs illustrate the volume of households with electrical appliances and the number of hours of housework per week, per household in one country from 1920 to 2019.

Overall

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, the

ownership

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of electrical appliances increased between 1920 and 2019

while

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, the amount of time spent doing housework and households throughout the period.

To begin

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with, in 1920 washing machines,

refrigerators

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and vacuum

cleaner

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cleaners

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were approximately at 2%, 30% and 40% respectively,

Then

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, the

ownership

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of

refrigerators

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and vacuum

cleaner

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cleaners

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was

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apply

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increased rapidly and the amount of

ownership

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of

refrigerators

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and the

ownership

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for

refrigerators

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crossed over the vacuum cleaner at late 1930.

However

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, after 2000, usage of bath appliances remained stable at peak.

Moreover

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, the percentage of usage for

refrigerator

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refrigerators

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grew up

till

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to

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1960 at 70% and dropped to nearly 62% in 1980. After that, again slightly climbed up 72% in 2019. Comparatively, the amount of time spent doing housework and households dramatically declined between 1920 to 2019.

Further

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, in 1920, the number of hours per week started at 50 and it significantly went down to 20 in 1960.

Then

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, virtually reduced the hours per week to 10

at the end

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of the period.