Question

The forecasts of the World and Asian energy demand for the years 2005, 2010 and 2020 are given in the following table. The demand is given million barrels per day crude oil equivalent.
| $2005$| $2010$| $2020$
---|---|---|---
World| Asia| World| Asia| World| Asia
Petroleum| 56.0| 8.0| 86.0| 11.5| 108.0| 18.0
Natural Gas| 38.0| 1.5| 67.0| 2.5| 96.0| 4.5
Solid Fuels| 46.0| 6.0| 54.0| 13.0| 67.0| 15.4
Nuclear| 8.0| 2.0| 9.0| 4.8| 12.0| 5.5
Hydropower| 12.0| 1.5| 14.0| 2.2| 17.0| 4.6
Total| 160.0| 19.0| 230.0| 34.0| 300.0| 48.0