18-19  National Railway Freight Traffic by Category of Cargo|18-19NationalRailwayFreightTrafficbyCategoryofCargo|Item|2013|2014|Freight|Freight|Average|Freight|Freight|Average|Traffic|Ton-kilometers|Transport|Traffic|Ton-kilometers|Transport|(10000|(million|Distance|(10000|(million|Distance|tons)|ton-kilometers)|(km)|tons)|ton-kilometers)|(km)||Total|321614.2714|2670285.319|830.275754672247|306259.312|2493431.113|814.156832233725|Coal|167945.6587|1086168.134|646.737845090842|164130.5731|1059626.02|645.599415140286|Coke|9996.6715|103320.907|1033.55308814539|9589.5361|98534.664|1027.52273908224|Petroleum|12731.7605|108287.074|850.527105029976|12806.972|111423.548|870.022578326868|SteelandIron,and|21569.8041|238942.595|1107.76432596344|19664.7573|213901.29|1087.73928270144|Non-FerrousMetal|MetalOres|40187.3864|255082.902|634.733743222475|36708.3953|211520.408|576.218072926767|NonmetalOres|7263.6799|49973.155|687.986746222118|6451.6415|40127.488|621.973307103316|MineralBuilding|13547.9459|42308.359|312.286152545088|11890.8208|33872.513|284.862698460648|Materials|Cement|3568.5727|13375.327|374.808869663773|3416.525|13231.554|387.281053116837|Timber|2483.1804|27871.518|1122.41212921945|2187.4205|23314.897|1065.86259934932|ChemicalFertilizers|8339.7167|141453.994|1696.14867133316|7867.6824|136484.604|1734.74979112019|andPesticides|Grain|10446.7106|187182.464|1791.7837601436|8260.3673|145768.392|1764.67203825186|Cotton|436.5938|16780.563|3843.51839169498|495.9007|19232.329|3878.26211981552|Salt|1500.2327|9631.466|641.998138022188|1531.3714|9634.53|629.143916361505|Others|21596.3575|389906.861|1805.42881363211|21257.3486|376758.876|1772.37003113361||a)Freighttrafficandfreightton-kilometersinthetabledonotincludethebaggagefreight.