The graph lines portray expenses on cell phone and residential phone services in a period from 2001 to 2010.
Overall, it is highly noticeable that while cell phone services drastically increased over the period from 200$ to over 700$, residential phone ones oppositely fell down from almost 700$ to 400$.
The total costs of residential phone services reached its highest position in 2001 with the number of expenditures of approximately 700$. However, over the next 5 years until 2006, they slowly decreased to 550$, intersecting with the figure of expenses on cell phone services. Afterwards, there was a little fluctuation from 2006 to 2008, with a decrease in 2007 to 480$ and stability of those expenses for a year till 2008. Consequently, they began to get lower figures until the end of the graph, achieving the mark of 400$.
As for the cell phone services spendings, in 2001 they were in the lowest position of 200$. Since that moment, expenses started to meet an upward trend until 2010 with 750$ costs. Still, there were some almost unchanging times from 2002 to 2003 with 300$ expenditures and from 2007 to 2008 with about 830$. In 2006, cell phone services’ figures outran the other ones’ and never came across again as they stuck to a constant increasing path.