The line chart provide the research expenditure of government during the period from 1980 to 2008.
Overall, the number of finance of health, space, energy and general science increased over the period, while those to other sector witnessed the reverse trend. Additionally, the researching in health field showed the most significant growth and maintained its position at the top of rank.
Regarding the increasing categories, the money on health research constituted a highest share at the beginning of the time and then significantly surged to a peak of finance at approximately 23%, before plunging to nearly 18%. The amount of money of space researching experienced a slightly decrease initially, which rose steadily to roughly 9%. While the researching in energy showed an sustainably growth in the first time, it after experienced a fluctuation changes between 1992 and 1996, then reaching approximately 6% at the end. For the general science, it also raised constantly and gained the stable number of money in 2000.
Concerning the other sector, the number of expenditure in general science accounted for roughly 2.5%, after which it witnessed a stable rise to 5%, then converging with the figured of energy sections during four years from 2000 to 2004. It still remained the lowest position in the financial researched and shared the same number at the end time, at approximately 5%.