15-4  Length of Transportation Routes
								(10 000 km)
Year
				Expressway	Length of	Length of		Length of
	Length of	National	Length of		Navigable	Civil	International	Petroleum
	Railways in	Electrified	Highways		Inland	Aviation	Routes	and Gas
	Operation	Railways			Waterways	Routes		Pipelines
1978	5.17	0.10	89.02		13.60	14.89	5.53	0.83
1980	5.33	0.17	88.83		10.85	19.53	8.12	0.87
1981	5.39	0.17	89.75		10.87	21.83	8.28	0.97
1982	5.33	0.18	90.70		10.86	23.27	9.99	1.04
1983	5.46	0.23	91.51		10.89	22.91	9.99	1.08
1984	5.48	0.30	92.67		10.93	26.02	10.74	1.10
1985	5.52	0.41	94.24		10.91	27.72	10.60	1.17
1986	5.58	0.44	96.28		10.94	32.43	10.76	1.30
1987	5.60	0.46	98.22		10.98	38.91	14.89	1.38
1988	5.62	0.57	99.96	0.01	10.94	37.38	12.83	1.43
1989	5.70	0.64	101.43	0.03	10.90	47.19	16.64	1.51
1990	5.79	0.69	102.83	0.05	10.92	50.68	16.64	1.59
1991	5.78	0.78	104.11	0.06	10.97	55.91	17.74	1.62
1992	5.81	0.84	105.67	0.07	10.97	83.66	30.30	1.59
1993	5.86	0.89	108.35	0.11	11.02	96.08	27.87	1.64
1994	5.90	0.90	111.78	0.16	11.02	104.56	35.19	1.68
1995	6.24	0.97	115.70	0.21	11.06	112.90	34.82	1.72
1996	6.49	1.01	118.58	0.34	11.08	116.65	38.63	1.93
1997	6.60	1.20	122.64	0.48	10.98	142.50	50.44	2.04
1998	6.64	1.30	127.85	0.87	11.03	150.58	50.44	2.31
1999	6.74	1.40	135.17	1.16	11.65	152.22	52.33	2.49
2000	6.87	1.49	140.27	1.63	11.93	150.29	50.84	2.47
2001	7.01	1.69	169.80	1.94	12.15	155.36	51.69	2.76
2002	7.19	1.74	176.52	2.51	12.16	163.77	57.45	2.98
2003	7.30	1.81	180.98	2.97	12.40	174.95	71.53	3.26
2004	7.44	1.86	187.07	3.43	12.33	204.94	89.42	3.82
2005	7.54	1.94	334.52	4.10	12.33	199.85	85.59	4.40
2006	7.71	2.34	345.70	4.53	12.34	211.35	96.62	4.81
2007	7.80	2.40	358.37	5.39	12.35	234.30	104.74	5.45
2008	7.97	2.50	373.02	6.03	12.28	246.18	112.02	5.83