Year | 1961 | 1970 | 1980 | 1990 | 2000 | 2010 |
Energy (×1015 kcal) | 0.33 | 0.54 | 0.73 | 1.01 | 1.28 | 1.44 |
Energy from cereals (×1015 kcal) | 0.18 | 0.34 | 0.49 | 0.65 | 0.71 | 0.70 |
Protein (×1010 kg) | 0.92 | 1.33 | 1.81 | 2.65 | 3.80 | 4.51 |
Superior protein (×1010 kg) | 0.35 | 0.41 | 0.50 | 0.82 | 1.47 | 1.97 |
Fat (×1010 kg) | 0.35 | 0.69 | 1.14 | 1.99 | 3.24 | 4.10 |