These charts illustrate the electrical consuming of householders in percentages between 1920 and 2019, as well the time of householders works hours per week. Overall, the number of householders works was declined dramatically, while, consume of all appliances were increased sharply.
The sharpest jumping up is about washing machine by rising to 90% during 40 years period, the followed by vacuum cleaner which had a dramatic increase and became triple after six decades. Finally, Refrigerator went up and reached as high as vacuum cleaner in 1960, then decreased provisionally to a bit more than 60 percent, afterwards it increased again and reached to 65% in 2019.
There is a sharp decline from 50 hours per week in 1920 for hours of housework, and reached at 20 per hours a week in 1960. After that it decreased steadily to 15, and it leveled off, and finally, it reach the lowest point at the 10 percent.
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