There are many display options for the graph. If you scroll down, you can click on different curves. You can also change the timeframe of interest, or go from monthly to annual data. Finally, you can look at other data sets by changing the Box 1 "Change Data Category" and Box 2 "Change Table". In your group, use the EIA website and tackle the following questions: 2) What energy source(s) are behind the increase in primary energy production since 2010