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

The two line graphs captured the percentage of having electric devices, and the amount of time consumed to finish the housework, which took place in one country, that started from 1920 to 2019.

Overall

, at first glance at the line graph, the hours needed for housework showed a downward. Another noticeable feature, the usage of

vacuum

cleaners

and refrigerators continuously increased. Digging into the first forty years, on the one hand, the number of using the three devices increased.

However

, refrigerators figure sharply increased,

while

depending on

vacuum

cleaners

gradually grew,

also

, the usage of washing machines slightly

raised

Verb problem

increased

show examples

.

On the other hand

, the percentage of time consumed for chores gradually dropped.

Additionally

, in 1960, the rate of using washing devices and

vacuum

cleaners

was the same. During the rest of the study, from 1960 to 2019,

firstly

, both the statistics of refrigerators and

vacuum

cleaners

slightly grew, next they remained stable, but the rate of washing machines was swing during the whole study.

However

, the number of hours needed to finish chores slightly dipped at the beginning , and

then

it remained stable, after that, by the end of the study, it dropped again.