The line graph illustrate the transformation in ownership of electrical appliance and the time spent for doing housework in specific country over a long year from 1920 to 2019.
A refrigerator has huge growth up to some year and remain constant where as Vacuum cleaner percentage also go along with refrigerator. It has rosed so quickly. But over the year washing machine seems flactuating.
From 1920 to 2019 the percentage of refrigerator is increasing from 0 to 90 far exceed. After reaching to peak on 1980 it remain unchanged. There is stability until 2019 where the use of vacuum cleaner over the year has changed. In 1980 ,Competing with refrigerator the vacuum remain constant.
On the other hand washing machine percentage are unbalanced since 1920 to end 2019. Slightly increase at initial stage but fall down in 1960 and not be stable. the propotion of hour was high in 1920 again slow decrease till the end .The higher hour was 50 which is the highest likewise 10 hours is the lowest in last year 2019.