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 first line graph compares the proportion of households with three types of electrical machines in a country between 1920 and 2019, and the second line chart illustrates the time spent on housework per household per week over the same period.

Overall

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,

it is clear that

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the three figures for households with different kinds of electrical appliances all showed an upward trend,

while

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the average hours of housework in a week declined steadily.

According to

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the first graph, the percentage of families possessing a refrigerator rose dramatically from 1920 to 1980, from about 0% to 100%, and remained at

this

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level for the rest 39 years. Followed closely behind is the figure for the vacuum cleaner, which had increased constantly by 20% per year until it reached 100%. The proportion of families with a washing machine had gone up from 40% to 60% between 1920 and 1940 but experienced a fluctuation between 60% and 75% in the remaining 69 years. Concerning the hours of doing housework per week, it had decreased consistently between 1920 and 1980, from 50% to approximately 15%, and stayed at the point around 15% for the rest of the period.