The charts gives information about the rate of electrical using for different purposes and how much time spent by the owner of houses in the year 1920 to 2019 in a country.

The charts describe the percentage of households which use three different

household

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appliances (washing machine, refrigerator, and vacuum cleaner) and the combined time spent

for

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doing

household

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chores per

household

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from 19200 to 2019 in a country.

Overall

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, the amount of homes utilizing all electrical devices has increased in different ways through the period, with refrigerators significantly increasing its proportion.

In addition

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, the number of hours used to do

household

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tasks had decreased steadily by 1960 and levelled off until 2000, when it slightly dropped again. In terms of the usage of electrical machines by each

families

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family

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, in 1920, the proportion of households using refrigerator was approximately 8%, which surged by roughly 80% by the next four decades to reach 90% in 1960. After that, it showed a milder increase to hit 100% by 1980

,

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and remained at the same number until 2019. As for time hours spent for

household

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jobs, 50 hours were spent per week in 1920

,

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and

then

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declined by 15% for

the

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every 20 years until 1960 when it fell to 20%. From 1960 to 1980, the figure marginally declined to around 18% and stayed for the next 20 years, it decreased to hit the lowest of 10%

at

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in

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2019.