The provided line charts give statistical analysis about the alternation in possession of electronic gadgets as well as the quantity of time used for household chores in a specific nation from 1920 to 2019.
Overall, the ownership of refrigerators and vacuum cleaners increased constantly and reached a peak in the final years while that of washing machines fluctuated throughout the given period. Besides, the number of time spent for daily housework is showed to be declined
In 1920, the proportion of family-owned refrigerators and vacuum cleaner was around 3 percent and 30 percent respectively, while that of washing machine was 40 percent. Over the following 40 years, the percentage of houses that had refrigerators rose sharply to 90 percent. In the same period, the percentage of households with vacuum cleaners and washing machines grew gradually and reached their equal point at 70 percent.
Between 1960 and 1980, the proportion of refrigerators appeared in house climbed continuously and peaked at the maximum percent, while that of vacuum cleaners went up significantly to around 90 percent. The period from 1980 to 2019 saw a stability in the proportion of refrigerator used in house while the percentage of vacuum cleaner reached a peak of its maximum percent and remain unchanged for the rest of the period. In contrast, the proportion of washing machines used in house varied over the whole 39 years. Additionally, the number of time spent for housework daily decline dramatically from 50 hours in 1920 to around 18 hours in 1980. From 1980 to 2019, there was a stability in time used for daily housework around 15 hours per week.