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

The two line charts illustrate the fluctuations in the proportions of three types of household appliances owned by families and the time spent using them for housework in a specific country from 1920 to 2019.

Firstly

, the

percentages

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of households owning vacuum machines and refrigerators consistently increased over a century. In 1920, the ownership of refrigerators and vacuum machines started at zero and 30% respectively.

However

, these proportions successively reached 100% in 1980 and 2019.

Although

,

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the ratio of families owning washing machines experienced a slight decrease in 1980, it exhibited steady growth between 1920 and 2019, reaching up to 75%.

Overall

, electrical appliances brought convenience to households in the country, enabling people to spend less time on housework.

This

is evident in the decline of the total time spent on housework, decreasing from 50 hours per week to 10 hours per week over the course of one hundred years.