Figure 7 Pipeline Ton-Miles,,
Ton-miles (billions),,
Year,"Improved BTS, NTS, and Eno oil pipeline",Improved BTS natural gas
1990,584,238
1991,579,245
1992,589,255
1993,593,263
1994,591,269
1995,601,281
1996,619,286
1997,617,288
1998,620,283
1999,618,281
2000,577,297
2001,576,283
2002,586,293
2003P,590,278
Key: p = preliminary.,,