The charts illustrate the total percentage of electrical devices owned by households and the quantity of housework every week in a specific country from 1920 to 2019.
As can be seen in the diagrams, the total number of electrical devices increased significantly while the number of weekly housework decreased dramatically over the period.
Looking at the diagrams in more detail, the percentage of fridges and vacuum cleaners rose from 0 and 40 percent respectively to 100 percent over 80 years from 1920 to 2000 and remained unchanged till 2019. The percentage of washing machines experienced steady growth from 40 to 70 percent throughout the period, which was much lower than two other appliances.
The total number of weekly housework decreased sharply from 50 hours to 20 hours between 1920 and 1960. It continued to drop steadily from 20 percent to 10 percent over the next 60 years from 1960 to 2019.
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