The line graph illustrates the changes in ownership of electrical appliances in one country between 1920 and 2019.
Overall,it is clear from the graph that, washing machine and vacuum cleaner had the highest proportion ,meanwhile refrigerator had the lowest percentage from 1920 to 2019.
At the beginning of period,it can be seen that in 1920 the highest proportion was washing machine but at that time washing machine amounted only 40 percentage of households,but after some periods the percentage increased gradually and it considered nearly 75% in 2019.In 1920 vacuum cleaner portioned 30%,after some decades it can be seen that in 2019 vacuum cleaner uplifted dramatically and it amounted of 100%.
However, at that time refrigerator consisted of 2%,and comperison with other electricsl appliances it was the lawest percentage of households,but ater some time it can be seen that refrigerator rose rapidly ,and in 2019 refrigerator reached the top ,and contained 100%.