The line graph shows how muc h of three major fuels (coal, natural g͏as, and petroleum) the UK produced between 1981 and 2000.
Petroleum was, on the whole, the fuel that saw the most production during this time; coal production generally declined, but natural gas production climbed, especially after 1990.
In 1981, petroleum production sat at about 90 energy units. Then, it increased quickly, reaching approximately 140 units in the middle of the 1980s. Aft͏er that it went down to roughly 100 units or so in 1991, before climbing again and ending at, around 145 units in 2000.
Coal, however, began at about 80 units in 1981. And, it dropped sharply to approximately 40 units in 1984. While it did recover a little, going up to about 60 units in the late 1980s, it gradually went down again an d ended at roughly 35 units by the year 2000.
Natural gas held pret͏ty steady, at around 35-40 units,s during th e 1980s. However, it increased steadily from 1990 onward, reaching about 100 units at the end of that period.
