Given is the line graph that reveals the proportion of the U.S. families who owned these five specific electrical devices between 1995 and 1999.
Overall, it is noticeable to observe that the figure for all these five technical devices increased during the provided period, in particular, washing machines are significantly higher than that of other technical facilities. In addition, phones were not popular at first while it became the second most commonly used electrical equipment over a 4-year period. By contrast, DVD players were ranked as the third most popular technology among the U.S. households but it ended up being the least common devices compared to others.
As is shown in the graph, the figures for washing machines and computers shared the same pattern, starting at 60% and 40% respectively in 1995 and the differences in percentages of households narrowed over the following four years, ending up at 80% and 70% by 1999.
Regarding the other three technical devices, there were less than 20% of families who utilized phones in 1995, while the percentage of households grew sharply, surpassing computers in 1999 and peaking at approximately 75%. Similarly, the proportion of internet users started from 10% in 1995, followed by a substantial rise to 50% in 1999. Interestingly, around 25% of households owned DVD players in 1995 but the figure experienced an almost 10% drop within one year before climbing to 40% by 1999.