The line chart illustrates how much money the U.S government spent on research from 1980 to 2008.
Overall, there was a similar upward trend in health and space, while energy, general science and other experienced a contrasting movement over the given period.
In the first years of the period, the number of US government research on health was the highest at approximately 20, which was followed by the figures for space and energy were about 6 and 5 respectively. From 1980 and 1984, the number of US government research on health slightly decreased, at about 7.5, while the figure for general science increased, at about 2,5. The number of space, energy and other was equal at 5 in 1984.
From 1984 to 2008, the number of health dramatically increased and this number was the highest in 2008, which was followed by the figures for space and energy, approximately at 9 and 7,5 respectively. It is also clear that from 1984 to 2008, the number of energy was fluctuated from 5 to 7,5. In 2008, the figures for general science and other were equally at 5.
