15-20  National Railway Freight Traffic by Category of Cargo
Item	2006			2007
	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	244395	2032162	832	261239	2185613	837
Coal	112034	672849	601	122081	741632	607
Coke	8831	82234	931	9327	86550	928
Petroleum	12743	118015	926	12702	115831	912
Steel and Iron, and	20059	216023	1077	21594	232889	1078
Non-Ferrous Metal
Metal Ores	25568	154774	605	27577	172752	626
Nonmetal Ores	8675	56206	648	9187	60913	663
Mineral Building	8016	39328	491	8032	40328	502
Materials
Cement	3799	13883	365	3541	13985	395
Timber	3607	53520	1484	3729	51654	1385
Chemical Fertilizers	7417	102052	1376	8152	111233	1365
and Pesticides
Grain	10111	155316	1536	10471	167199	1597
Cotton	389	14276	3670	386	14440	3738
Salt	1288	9936	772	1356	10177	751
Others	21858	343750	1573	23105	366031	1584
a) Freight traffic and freight ton-kilometers in the table do not include the baggage freight.