The provided charts delineate the changes of home about the possession of home appliances and housework time in one country from 1920 to 2019. Overall, the percentage of three appliances displayed an upward trend, and the proportion of refrigerators increased dramatically. Meanwhile, household work time displayed a downward trend, except for one period.
According to the above chart, the proportion of refrigerators was
, it soared between 1920 and 1980, and all homes possessed the refrigerator in 1980, which
proportion remained the same in the rest period. The percentage of the home that had vacuum cleaners began by precisely 30%, and it had grown progressively to 2000, which all households owned the cleaner. The percentage of washing machine showed some fluctuations, but it
rises at well over 20% compared with 1920.
In terms of household work time, in 1920, it showed precisely 50
, but the
decreased progressively from 1920 to 1980. The hour of 1980 was around 15
, and the amounts were unchanged to 2000.
amounts decreased slightly just over 10
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