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 line graphs compare the usage of different electrical machines and the average number of hours spent on housework per family in one country between 1920 and 2019. It is apparent that the

overall

percentage of households using electrical appliances in housework significantly increased as time goes by.

Moreover

, with the widespread use of appliances, the average time spent on weekly cleaning for each family experienced a dramatic decline from 50 hours per week in 1920 to 10 hours per week in 2019. Looking into the upper line graph, there are three categories of housing electronic devices, including Washing machines, refrigerators, and vacuum cleaners. In the year 1920, few households utilized refrigerators at home. Later

then

, it had a notable change, which increased to 100 percentage points in 1980 and remained stable over 2019. Compared with the data on Refrigerator, the percentage of use of vacuum cleaners accounted for a constant increase in the whole period, reaching 100%

finally

as well.

However

, there was a fluctuation in the product of washing machines during

the

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1960, which marks the point that the ownership of vacuum cleaners overtook that of washing products.