the charts below show the change in ownership of electrical appliances and amount of time spent doing housework in households in one country between 1920 and 2019

The first line chart above illustrates the ownership change of electric appliances and the second shows the allocation of time needed for house chores being done from 1920 to 2019 in an unknown country.

Overall

, everyone had

vacuum

Correct article usage

a vacuum

show examples

cleaner, washing machine, and refrigerator at their home in 2019 even though a century ago usage of these appliances

is

Wrong verb form

was

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below 45%. With increases in technology usage, hours of housework spent per week

declining

Wrong verb form

declined

show examples

gradually. In 1920, almost no one had

the

Correct article usage

a

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refrigerator at home but

this

behaviour changed dramatically to 50% in 1940.

However

,

this

trend kept rising to 90% in 1960 and had a peak at 100% in 1980

follows

Wrong verb form

following

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the next 40 years. Vacuum cleaner,

nevertheless

, 30% of

citizen

Fix the agreement mistake

citizens

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already had been using it in 1920. There

has been

Wrong verb form

was

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steady growth in

following

Add an article

a following

the following

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year

Fix the agreement mistake

years

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almost 55% in 1940, had been utilized 90% in 1960 and after 1980

it's

Wrong verb form

it was

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impossible for everyone

for

Change preposition

apply

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not

having

Change the verb form

to have

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vacuum

Add an article

a vacuum

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cleaner. 40% of

household

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households

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managed to use washing

machine

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machines

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in 1920. It rose to 70% in 1960 and dropped

at

Change preposition

to

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nearly 65% before it increased to around 72% in 2019.

Moreover

, all these

technology

Replace the word

technological

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invention

Change the determiner

inventions

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makes the time allocation for house chores

decreasing

Wrong verb form

decrease

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. In 1920, half time of a week

spent

Add a missing verb

was spent

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for

Change preposition

on

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domestic labour.

Thus

,

this

trend has dropped steadily by nearly 35% in 1940 and

continue

Wrong verb form

continued

show examples

to decline in 2019 at around 10%.