16-20  National Railway Freight Traffic by Category of Cargo
Item	2004			2005
	Freight	Freight	Average	Freight	Freight	Average
	Traffic	Ton-kilometers	Transport	Traffic	Ton-kilometers	Transport
	(10 000	(million	Distance	(10 000	(million	Distance
	tons)	ton-kilometers)	(km)	tons)	ton-kilometers)	(km)
Total	216961	1810994	835	230920	1934612	838
Coal	99210	571298	576	107082	637383	595
Coke	7189	66151	920	7918	73831	932
Petroleum	11944	109964	921	12667	118495	935
Steel and Iron	16083	178964	1113	17536	198931	1134
Metal Ores	19319	119602	619	22187	138578	625
Nonmetal Ores	8039	53570	666	8240	54442	661
Mineral Building	7785	40976	526	7820	36294	464
Materials
Cement	3700	15283	413	3470	13301	383
Timber	3237	57387	1773	3501	53606	1531
Chemical Fertilizers	6392	83276	1303	7163	100246	1400
and Pesticides
Grain	10906	163493	1499	11082	165510	1493
Cotton	264	8987	3410	283	9875	3486
Salt	1278	9843	770	1287	10382	807
Others	21615	332200	1537	20684	323738	1565