The charts below show the change in ownerships of electrical appliances and amount of time spent doing housework in housholds in oun country between 1920 to 2019.

The line graph illustrates the difference in the percentage of

households

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with electrical appliances and

a

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the

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number

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of

hours

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spent doing housework in

households

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in a country between 1920 to 2019.

Overall

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, there were increasing trends towards refrigerator and vacuum cleaner ownership. In 2019, every household owned them.

However

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, from being the most electrical appliances owned by

households

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in 1920, the percentage of

households

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with washing machines dropped to the least owned. During the same period, weekly spending on housework decreased significantly from 1920 to 2019. In 1920, no

households

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owned refrigerators. Within 40 years, the

number

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of refrigerator ownerships increased sharply to 90% of the

overall

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households

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. The

number

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of refrigerator owners continued to increase, before reaching 100% in 1980 and containing the same rate of ownership until 2019.

Similarly

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. the

number

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of vacuum cleaner ownerships rose rapidly from 30% in 1920 to 90% in 1960, before gradually increasing to 100% in 1980.

Nevertheless

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,

households

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with washing machines increased from 40% in 1920 to 70% in 1960, followed by a 10% drop in 1980 and increased again to approximately 70% in 2019. At the same time,

number

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of

hours

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spent doing housework fell from 50

hours

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in 1920 to 20

hours

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per week after 40 years.

Then

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, it gradually dropped to 10

hours

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per week in 2019.