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. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The graph shows the changes in the proportion of households owning electrical appliances and the amount of time spent doing housework in one country from 1920 to 2019. The proportion of families who have a refrigerator saw a sharp and dramatic growth from 0% in 1920 to 100% in 1980, standing at

this

level until 2019.

Similarly

, the figure for vacuum cleaner ownership rose apparently from 30% in 1920 to 100% in 2000 and remained at 100% for the rest of

time

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the time

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.

In contrast

, the percentage of households who had washing machines saw a different pattern. Its figure increased from 40% in 1920 to 70% in 1960 and

then

dropped down to 63% in 1980;

finally

, it rose again to 73% in 2019. Meantime, The number of hours of housework per week per household kept decreasing from 50% in 1920 to 11% in 2019. To summarize, the proportion of the ownership of all

the

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apply

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three electrical appliances rose, with

refrigerator

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the refrigerator

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and vacuum cleaner reaching 100%. The number of hours of housework kept dropping.