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

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

for

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doing

household

chores per

household

from 19200 to 2019 in a country.

Overall

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

In addition

, the number of hours used to do

household

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

jobs, 50 hours were spent per week in 1920

,

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and

then

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.