The bar chart below shows changes in ownership of electrical appliances and the amount of time spent doing housework in one country between 1920 and 2019. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.
下方的条形图显示了1920年至2019年间某国电器拥有量的变化及做家务所花时间的变化。请通过选择并报告主要特点来总结信息,并在相关情况下进行比较。