The pie charts illustrate the percentage of energy generation from 1995 to 2005. Overall, all sources of energy production showed an upward trend except for petrol, which experienced a downward trend.
In terms of ranking, gas and coal were the primary sources of energy production, while the other sources remained the least significant in both years.
A similar trend can be observed in the production of coal and gas, both of which increased slightly by nearly 1% from 1995 to 2005. Meanwhile, nuclear energy and other sources experienced a stronger increase of about 5%.
There was a significant decline in petrol production, which decreased from 29.27% to 19.55%.
