The line graphs illustrate the shifts in the possession of electrical appliances and the duration of housework in households in a specific country from 1920 to 2019.
Overall, it can be seen that washing machine, refrigerator and vacuum cleaner in households increased dramatically by the end of the period, while spending hours for housework per week dropped gradually year on year.
In more detail, refrigerator was around 1% in 1920, which was followed by a significant rise to 100% by 1980. After that, this rate remained constant at 100% until the end of the period. Next, percentage of vacuum cleaner was stood at 30 in the beginning. Subsequently, there was a dramatical grow to 100% by 2019. In 1920, washing machine was 40%, then it increased by 30% over the next four decades. However, through the following twenty years, this rate fell to approximately 63%. 2019 saw a gradual rise to nearby 74% in the percentage of washing machine.
In 1920, expending hours for housework was stood at 50, which was followed by a sharp decrease to around 15 hours by 1980. It remained relatively stable at about 15 hours during the period from 1980 to 2000. Afterwards, this rate dropped slowly to 10 hours until the end of the period in question.