the graph illustrates the changes in ownership of electrical appliances and amount of time spent during housework in households in one country from 1920 to 2019.
Looking from overall perspective,it is readily appearent that the smallest percentage of households was refrigerator, and the biggest proportion in the end of this period was refrigeratin, it was the same with vacuum cleaner. The highest number of housework per week, per household was 50, and a little number was 10.
In detail, between 1920 and 2019 the minimal percentage of househoolds was refrigiratin 0 %, in 1920, an the washing machine was 40 %, while the vacuum cleaner nwas 30 %. After 20 years, in 1940 refrigerator was 55%, vacuum cleaner was 50%, more five percent, and then washing machine was 60%. After that, in 1960 the vacuum cleaner and washing machine increased to 30,10%, and was the same 70%, refrigerator went sharply for 40%, and in 1980 was 100%. The vacuum cleaner rise to 20% and was 90% in next year was 100%. In 1980, washing machine decreased to 5% and increased 5% in 2000. The refrigerator and vacuum cleaner remained stable, after that the washing machine rise and was 75%, in 2019.
Subsequently, in 1920, number of hours of housework per week was 50, in 1940 it went down and was 35%. Meenwhile, it fell to 20, next forty years it decreased and increased, in 2000 was 15, in 2019 was 10 declined to 5.