The provided pie chart illustrates the percentage of energy production in a nation for the years 1995 and 2005. Interestingly, gas, petrol, and coal had nearly similar percentages in 1995.
To begin with, in 1995, coal production was 29.80%, which was more than its percentage in 2005 at 30.93%. The combined percentages of coal, gas, and petrol in 1995 were all under 30%. Additionally, gas production was 29.63% in 1995, which increased to 30.31% in 2005. In that year, coal and gas had nearly the same percentage, at 30.93% and 31.30% respectively.
Moreover, the percentage of petrol was 29.27% in 1995, which saw a decrease to 19.55% by 2005. In 2005, nuclear energy and other products accounted for 10.10% and 9.10% respectively. Furthermore, the category of other products represented 4.90% in 1995, while in 2005, this proportion increased to 9.10%.
Overall, coal production had the highest proportion in 2005, whereas other products had the lowest percentage in 1995.