12-6 Average Transport Distance of Freight
					(km)
Year	Total	Railways	Highways	Civil Aviation	Petroleum and Gas Pipelines
1978	168	565	66	818	239
1980	139	566	64	861	242
1985	158	624	69	945	206
1990	188	835	94	2354	190
1991	180	927	89	2471	183
1992	193	918	91	2540	174
1993	169	913	95	3772	163
1994	177	896	99	2500	148
1995	187	881	101	2872	144
1996	190	884	102	3238	131
1997	188	845	102	2333	163
1998	182	795	102	2332	164
1999	188	804	102	2776	165
2000	200	845	101	2857	174
2001	211	1023	99	3150	176
2002	217	1032	103	3051	179
2003	224	865	105	2909	182