the charts below show the changes in ownership of electrical appliance

The graphs show the increase in the percentage of

households

with electrical appliances (washing

machines

,

refrigerators

and

vacuum

cleaners

) and the decrease in the amount of time doing chores from 1920 to 2019. In 1920, the proportion of

households

with washing

machines

stood at 40%, which was 10% higher than

households

with

refrigerators

and nearly 38% higher than

households

with

vacuum

cleaners

. Compared to the steady increase in usage of

vacuum

cleaners

from 1920 to 1060, the percentage of

refrigerators

indicated dramatically jump during the same period.

However

,

while

the figures for

refrigerators

and

vacuum

cleaners

grew to about 100% in 1980 and remained unchanged until 2019, the figure for washing

machines

experienced fluctuation from 1940 to 1980, gradually rising to 68% in 2019.

Along with

the

overall

increasing trend of home electrical appliances throughout the given period, the number of housework hours has been gradually reduced from 50 hours per week to 10 hours per week, nearly five times lesser than the year in 1920.

Overall

, the rising percentage of

households

owning washing

machines

,

refrigerators

and

vacuum

cleaners

has helped families to save more time to

do

Wrong verb form

doing

show examples

chores in

this

country.