15-20  National Railway Freight Traffic by Category of Cargo
Item	2007			2008
	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	261239	2185613	837	273932	2336032	853
Coal	122081	741632	607	134325	836028	622
Coke	9327	86550	928	8775	86009	980
Petroleum	12702	115831	912	12671	116236	917
Steel and Iron, and	21594	232889	1078	20716	237386	1146
Non-Ferrous Metal
Metal Ores	27577	172752	626	29796	193092	648
Nonmetal Ores	9187	60913	663	9054	65911	728
Mineral Building	8032	40328	502	9518	43623	458
Materials
Cement	3541	13985	395	3549	15836	446
Timber	3729	51654	1385	2935	41354	1409
Chemical Fertilizers	8152	111233	1365	7811	114795	1470
and Pesticides
Grain	10471	167199	1597	11470	199415	1739
Cotton	386	14440	3738	388	14981	3859
Salt	1356	10177	751	1413	11215	794
Others	23105	366031	1584	21511	360151	1674
a) Freight traffic and freight ton-kilometers in the table do not include the baggage freight.