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 compare the percentage of

owning

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washing machines, refrigerators, and

vacuum

cleaners in a country from 1920 to 2019, and the number of hours that these electrical appliances were used per week.

Overall

, it can be seen that in 1920, washing

machine

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machines

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was

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were

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more popular among people

however

, in 2019,

refrigerator

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refrigerators

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and

vacuum

cleaner

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cleaners

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overtook

it

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them

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as the most favorable electrical utensils.

Besides

, the rate of

the

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usage of these devices decreased. Regarding

to

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the percentage of households with electrical appliances, in 1920,

the

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washing machines had the highest popularity among people with 40%.

By contrast

, the refrigerators were purchased 10% less than washing machines. The figure for

vacuum

cleaner

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cleaners

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was negligible at around 1%.

Then

, in 1960 and 1940, the demands for the ownership of

Vacuum

cleaner

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cleaners

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and

refrigerator

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refrigerators

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increased to 70% and around 55% respectively. In 1980 and 2000 the percentage of the ownership for

vacuume

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vacuum

cleaner

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cleaners

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and

refrigerator

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refrigerators

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rose to a peak of 100% and remained steady for the rest of the

period

. The rate of washing

machine

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machines

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increased to 70% after 50%

years

then

after 10

years

it dropped to approximately 60%.

at the end

of the

period

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period,

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the figures for the washing machine were a little over 70%. Focusing on the hours

of

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these appliances were utilized it can be seen that at the beginning of the

period

they were used

50

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for 50

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years

.

This

number fell dramatically to around 15 hours and remained

stablitiy

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stable

for 20

years

.

at the end

of the

period

, it saw a decrease to 10%.