The provided image illustrates the comparison of average annual expenditures on cell phone and residential phone services from 2001 to 2010.
Overall, while spending on cell phone services showed a consistent increase over the period, expenditure on residential phone services experienced a steady decline.
In 2001, the expenditure on cell phone services was approximately $200, the lowest point in the chart. From 2001 to 2006, this amount rose steadily to about $550. Subsequently, from 2006 to 2010, the yearly spending on cell phone services saw a significant surge to over $700, marking the peak in the data.
On the other hand, in 2001, expenditures on residential phone services started at around $700. Between 2001 and 2006, there was a noticeable decrease of roughly $550 in the average spending. This downward trend continued, with expenditure dropping to just $350 by 2010, significantly lower than the initial amount.
