| 16-20 National Railway Freight Traffic by Category of Cargo | ||||||
| Item | 2005 | 2006 | ||||
| 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 | 230920 | 1934612 | 838 | 244395 | 2032162 | 832 |
| Coal | 107082 | 637383 | 595 | 112034 | 672849 | 601 |
| Coke | 7918 | 73831 | 932 | 8831 | 82234 | 931 |
| Petroleum | 12667 | 118495 | 935 | 12743 | 118015 | 926 |
| Steel and Iron | 17536 | 198931 | 1134 | 20059 | 216023 | 1077 |
| Metal Ores | 22187 | 138578 | 625 | 25568 | 154774 | 605 |
| Nonmetal Ores | 8240 | 54442 | 661 | 8675 | 56206 | 648 |
| Mineral Building | 7820 | 36294 | 464 | 8016 | 39328 | 491 |
| Materials | ||||||
| Cement | 3470 | 13301 | 383 | 3799 | 13883 | 365 |
| Timber | 3501 | 53606 | 1531 | 3607 | 53520 | 1484 |
| Chemical Fertilizers | 7163 | 100246 | 1400 | 7417 | 102052 | 1376 |
| and Pesticides | ||||||
| Grain | 11082 | 165510 | 1493 | 10111 | 155316 | 1536 |
| Cotton | 283 | 9875 | 3486 | 389 | 14276 | 3670 |
| Salt | 1287 | 10382 | 807 | 1288 | 9936 | 772 |
| Others | 20684 | 323738 | 1565 | 21858 | 343750 | 1573 |
| a) Freight traffic and freight ton-kilometers in the table do not include the baggage freight. | ||||||