The
two
line charts show data recorded every Use synonyms
two
decades from 1920 to 2019, regarding the percentages of Use synonyms
families
in the same country who owned household electronics in three kinds and weekly Use synonyms
time
spent on domestic work by each of those Use synonyms
families
, which could be done by electrical appliances.
Use synonyms
Overall
, the more Linking Words
families
that owned one or more pieces of domestic appliances, the less Use synonyms
time
they spent on housework on average. The proportion of households using domestic appliances has seen an increase over the past 99 years, Use synonyms
while
the typical weekly Linking Words
time
consumed on housework has seen a continual decrease Use synonyms
conversely
.
The households' ownership rates of both refrigerators and vacuum cleaners surged in the 60 years since 1920, going up by roughly 100% and 60% respectively. These Linking Words
two
rates Use synonyms
also
reached the top of 100% after 1980, maintaining stable afterwards. The rate of owning washing machines increased from 40% in 1920 to 60% in 1960, Linking Words
however
, followed by a decrease of approximately 10% over the next 20 years.
Linking Words
In contrast
, Linking Words
families
' Use synonyms
time
Use synonyms
that
housework costs per week Correct word choice
apply
see
a dramatical decline before 1960, and Wrong verb form
saw
then
reduced in a similar range, fluctuating around 5% every Linking Words
two
decades.Use synonyms
eirenetan22