"Figure 2 Air Freight, Express, and Mail Revenue Ton-Miles",,,,,
Ton-miles (billions),,,,,
Year,Improved BTS,NTS,Eno,,
1990,10.420,9.064,10.420,,
1991,9.960,8.860,9.960,,
1992,10.990,9.820,10.990,,
1993,11.540,10.675,11.540,,
1994,12.030,11.803,12.030,,
1995,12.720,12.520,12.720,,
1996,13.760,12.861,13.760,,
1997,13.900,13.601,13.900,,
1998,14.140,13.840,14.140,,
1999,14.500,14.202,14.500,,
2000,15.810,14.983,15.810,,
2001,13.288,13.088,15.180,,
2002,13.837,,,,
2003P,15.096,,
Key: p = preliminary.,,,