The provided line graphs illustrate changes in the ownership of electrical appliances and the amount of time spent doing housework in households in one country from 1920 to 2019.
Overall, the ownership of washing machines, refrigerators, and vacuum cleaners gradually increased over the years, with a significant surge in 1940. By 2019, almost all households had refrigerators and vacuum cleaners, while washing machine ownership stood at 75%. Concurrently, the number of hours spent on housework per week decreased substantially, reaching just over 10 hours in 2019.
In 1920, the percentage of households owning refrigerators, vacuum cleaners, and washing machines stood at 0%, 30%, and 40%, respectively. Subsequently, ownership of all three appliances witnessed a remarkable increase in 1940. By 2019, the vast majority of households owned vacuum cleaners and refrigerators, while washing machine ownership remained at approximately 75%.
The amount of time spent on housework per week started at 50 hours in 1920 and steadily declined to 20 hours in 1960, eventually reaching around 10 hours in 2019.
