the charts below show the changes in ownership of electrical appliance

The charts illustrate the percentages of households with electrical gadgets and the number of hours of housework per week in households from 1920 to 2019.

Overall

, the appliance that was used the most is the refrigerator followed by the vacuum cleaner. These households experienced a remarkable increase meanwhile the proportion of washing machines has a steady constant.

However

, in

this

country, the tendency of the time spent in housework in a week has declined over a period of time. Regarding the line chart, the percentage of refrigerator usage rocketed from the bottom of nearly 0% at the beginning to 90% in 1960

then

stay constant at 100% from 1980 up to the end of the period.

As well as

the proportion of vacuum cleaner owners that has a dramatical growth from 30% at the initial to 100% in 2000.

On the contrary

, the volume of washing machines experienced the least fluctuation, it slightly rose from 40% in 1920 to 70% in 1960 and steadily went up to approximately 75% in 2019.

Nonetheless

, the amount of time for housework in a week considerably declined from 50% in 1920 to 20% in 1960 and gradually dropped until reached the bottom of around 10% in 2019.