ric energy |million | | | | |
| kilowatt hours| 4,657 |10,244 |15,451 |19,513 |21,016
Coal (cleaned)[1] |thousand | | | | |
| metric tons |10,630 |10,116 | 9,930 | 7,280 | 6,450
Lignite | do | 5,356 |14,926 |20,967 |21,971 |20,558
Coke | do | 20 | 733 | 817 | 837 | 1,091
Crude oil | do | 200 | 229 | 475 | 334 | 305
Natural gas | million | | | | |
| cubic yards | ... | 94 | 662 | 619 | 428
Iron ore[2] |thousand | | | | |
| metric tons | 188 | 585 | 870 | 792 | 993
Manganese ore[2] | do | 7 | 13 | 12 | 10 | 12
Pig iron | do | 136 | 547 | 1,064 | 1,195 | 1,329
Crude steel | do | 253 | 588 | 1,461 | 1,800 | 1,947
Rolled steel | do | 193 | 431 | 1,028 | 1,420 | 1,752
Steel tubes | do | 11 | 10 | 19 | 114 | 136
Copper ore[2] | do | 11 | 30 | 37 | 42 | n.a.
Lead-zinc ore[2] | do | 173 | 180 | 168 | 173 | n.a.
Electrolytic copper| do | 14 | 24 | 37 | 38 | n.a.
Lead | do | 40 | 93 | 93 | 97 | n.a.
Zinc | do | 17 | 66 | 75 | 76 | n.a.
Cement | do | 1,568 | 2,681 | 3,512 | 3,668 | 3,880
Timber |thousand | | | | |
| cubic yards | 5,046 | 5,680 | 5,140 | 5,166 | 4,923
Paper |thousand | | | | |
| metric tons | 54 | 85 | 187 | 200 | 215
Nitrogen | | | | | |
fertilizers[3] | do | 84 | 246 | 276 | 287 | 306
Urea[3] | do | 2 | 15 | 228 | 315 | 256
Superphosphate[4] | do | 41 | 94 | 136 | 148 | 146
Pesticides[5] | do | 2 | 6 | 12 | 15 | 16
Automobile tires | do | 172 | 327 | 333 | 546 | 730
Internal combustion|thousand | |