
After you've chosen the category and area(s), you'll need to choose the format
and time period for the data you want.
In this case, we've chosen to view the data online. You can also choose to view most retrieved
data in graphic format and you can download data in a tab-delimited format and then open the
data in a spreadsheet program. Note that we've chosen to view this data from January 1997 until
December 2001.