The line graphs provide information about the percentage of possession of electronic gadgets and the count of 
hours
 devoted Use synonyms
for
 doing household chores from 1920 to 2019. 
Change preposition
to
Overall
, it is evident that the proportion of Linking Words
ownership
 of refrigerators and vacuum cleaners experienced a significant increase, Use synonyms
whereas
 Linking Words
this
 figure for the washing machine observed a gradual growth. Linking Words
Furthermore
, the number of Linking Words
hours
 of housework saw a modest decline throughout the period given.
Looking in more detail, the refrigerator Use synonyms
ownership
 rate commenced at around 0%, Use synonyms
while
 Linking Words
this
 stat for washing machines and vacuum cleaners comprised 30% and 40% in 1920, respectively. Linking Words
However
, the proportion of refrigerator Linking Words
ownership
 jumped to 90% in 1960, other rate rose to around 70%. In 2019, almost every house had a refrigerator and a vacuum cleaner, though Use synonyms
this
 pattern for washing machines accounted for about 75%. 
Regarding the number of Linking Words
hours
, as Use synonyms
a 
electric appliance Correct article usage
apply
ownership
 increased, the amount of time Use synonyms
spending
 to doing decreased. Replace the word
spent
Additionally
, the total count of Linking Words
hours
 was roughly 50 per week in 1920, followed by a considerable drop of 20% by 1960. Use synonyms
Moreover
, these static experienced a downward trend by the end of the period, falling Linking Words
at
 10 Change preposition
to
hours
 per week.Use synonyms