You must first select a report type from the Data Source Selection screen and a commodity or commodities from the Commodity Selection screen before gaining access to this section. The Selection Criteria (circled in red below) options allow you to further modify your reports and/or charts:

Figure A: Selection Criteria for non-port data

The "Port" option (below) shows up only if your Data Source Selection is one of the port-level ones. Note that "District" does not show up in the list of selections when you select the port data sources (although you can, if desired, see district-level data from within the port selection).

Figure B: Selection Criteria for port data

The checkmark ( ) icon shows you which dimensions are represented in your report. In the above example, the district-level detail is not included in the report. To add this information, you would click on "District" from your Selection menu and then choose the customs district area(s) you want included in your analysis by selecting their checkboxes. Likewise, you can change your selections in the other areas (commodity, country, measures, time) by clicking on the relevant dimension as explained above with the district dimension. Detailed information on working within each dimension is included in each of the following sections:

• Commodity: Add or change your commodity selections...
• Country: Pick and choose the trading partners you want...
• District: View trade data for specific custom districts across the United States...
• Measures: Tailor value, quantity, and price data...
• Time: Specify the time series information you're seeking...
• Port: View trade data for specific ports across the United States...