Dataset:   longair.dat

Souce: US Department of Transportation

Description: 26 Quarterly average airfare and average weekly
passengers for 4177 markets. Quarter 1 is 1996Q3. 9/11/2001 occured
during quarter 21

Variables/Columns
Route #  1-4
Quarter   8-9
average fare  13-19  (dollars)
average weekly passengers   23-30