The line graph gives information about how teenagers (aged 12-19) in one state in the United States communicated with each other. The X-axis shows the survey dates from November 2006, November 2007, February 2008, and September 2009 while the Y-axis represents the percentage of teenagers from 0% to 60%.
Teenagers who communicated in November 2006 by text messages is 29%, calls by cell phones is 33%, and talk face to face is 32%. Calls by cell phones rose gradually each year approximately to 36%, 38% and 40%. Talk face to face has a fluctuated throughout the year which is roughly 40% on November 2007, 30% on February 2008, and 32% in September 2009. However, text messages line has a significant shift occured in September 2009 with proportion surged 55%.
Teenagers who communicated by email in November 2006 is around 15%. It increased slightly in November 2007 to 19% and decreased gradually in February 2008 to 16% until it dropped in September 2009 to 10%.
