The charts below show the changes in ownership of electrical appliances and amount of time spent doing house work in households in one country between 1920 and 2019.

The first line graph illustrates the dynamics of the electrical furnishing at home and the second one serves the number of how long the activities taking time per week. Both of them appeared from 1920 to 2019.

Overall

, the number of owning electrical utilises are increased in most of the products,

although

one of them slightly decrease in a particular year.

On the other hand

, the amount of time spent on housework significantly went down in some periods. The lines that illustrate the types of equipment show the up trend from 1920 to 1960, and

refrigerator

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refrigerators

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figured the highest percentage of owner electrical appliances (90%).

Moreover

, the rest of the lines were at the same proportions (70%).

While

the refrigerator and vacuum cleaner continues to grow up in the following years, the Washing machine considerably drops to 63%.

However

, it back to 70% two years later. Meanwhile, The time spent on housework started to decrease from 50 hours per week in 1920 to below 20 hours in 1980.

Although

it slightly rose in 2000, the line strongly drops to 10 in 2019.