The line graphs illustrate the quantity of production of three main kinds of fuel in the UK between the years 1981 and 2000.
Overall, it is apparent that Petroleum and Natural Gas witnessed an upward trend and the opposite is true for Coal. Moreover, natural gas had the highest increase and the line graphs of coal and petroleum was more dynamic.
Regarding the production level of petroleum, it surged to roughly 140 million tonnes by 1984 and remained unchanged in the next three years. There was a considerable decline to nearly 100 million tonnes from 1987 to 1990 and then leveled off between 1990 and 1993. From 1993 onward, the figure of petroleum fluctuated arounf 500 million tonnes, reaching its peak at 145 million tonnes in 1990 and then fell slightly. For the remaining fuels, the statistic of production in natural gas stabilized at around 40 million tonnes in the first seven years. Then, it surged to more than 80 million tonnes by 1994. After 1994, there was a slow growth in natural gas’s figure, increasing by 20 million tonnes at the end of period. About the data of coal over the span of 19 years, the figure of production in coal plummeted to approximately 40 million tonnes by 1984. After that, it recovered to 80 million tonnes from 1984 to 1986. Between the years 1986 anr 1994, the production of coal gradually fell to under 40 million tonnes and kept stable at that level from 1004 onward.
