The first line graph compares the amount of families with their electrical usage,
while
the second one shows how much time each household per week doing housework over a Linking Words
period
of 99 years.
Use synonyms
Overall
, the usage of electrical devices from 1920 until 2019 had an increasing Linking Words
trend
, Use synonyms
whereas
the total hours of housework during a week had a decreasing Linking Words
trend
until the end of the Use synonyms
period
.
As shown in the first line graph, the initiation percentage of using washing machines and vacuum cleaners was larger than that of refrigerators (40%, 30%, and 3% respectively). Use synonyms
Moreover
, their positions reversed and the percentage of using refrigerators and vacuum cleaners overtook that of washing machines. Linking Words
Also
, the proportion of using refrigerators experienced a significant rise until 1980 and reached 100%. Linking Words
However
, it remained stable until the end of the Linking Words
period
, Use synonyms
while
that of vacuum cleaners had an increasing Linking Words
trend
until 2000 and remained static until 2019. Use synonyms
In addition
, despite all fluctuations the percentage of using washing machines had a growing Linking Words
trend
and reached 75% in 2019.
Use synonyms
According to
the second line graph, the amount of housework hours experienced a dramatic decline from 1920 until 1960 and became 30% lower (20%). From 1960 to 2019 the hours fluctuated and reached about 10% (11%) Linking Words
at the end
of the Linking Words
period
.Use synonyms
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