An Area Chart fills the space between a data line and the axis, emphasizing the magnitude of change over time. A single-series layout keeps the visual focus on one metric, making year-over-year fluctuations easy to read at a glance.
This sample plots TreasuryDirect data on U.S. interest expense from 2007 to 2016, revealing how the annual cost of servicing the national debt shifted across the decade -- from $429 billion down to $383 billion and back up again.
Follow the step-by-step Area Chart Tutorial to learn how this chart was built. See the Area Chart documentation for all configuration options.