To navigate through the charts, click the tabs at the top of the screen. Use your mouse to hover over a data element to see its details. You may also click an area within the chart or on the legend to highlight elements of interest. To highlight all data in the chart, click the 'Revert' tab at the bottom of the screen.
If you would like to create a new chart with select counties, click on the bar or county name in the legend and then click "Exclude". Your new chart can be downloaded for use by clicking the 'Download' button on the lower right and choosing your file format. Click 'Revert' or 'Undo' to return the chart to the previous version.