The line graph gives information about the difference in ownership of electrical appliances (washing machine, refrigerator, and vacuum cleaner) and the amount of time spent doing household chores in Hoinone region from 1920 to 2019.
Overall, it is clear that the use of electrical appliances increased significantly over the period, while the number of hours spent on housework per week per household decreased dramatically.
In detail, the proportion of households with refrigerators and vacuum cleaners started at a low point in 1920 and then rose sharply, reaching 100% by 2019. The usage of both remained steady at 100% from around 1980 to 2019. The percentage of households with washing machines fluctuated slightly but generally increased, reaching nearly 70% by 2019.
As for the number of hours spent on housework per week, it started at 50 hours in 1920 and fell significantly to around 10 hours by 2019. Furthermore, the time spent on housework such as washing clothes, preparing meals, and cleaning remained relatively stable between 1980 and 2000.