Statistics on R&D Activities in the Business Sector 
Main R+D indicators
Total internal expenditure in R+D activities by years and scientific  discipline/unit.
Units: thousands of euros

,Total,Exact and natural sciences: Total,Exact and natural sciences: %,Engineering and technology: Total,Engineering and technology: %,Medical sciences: Total,Medical sciences: %,Agricultural sciences: Total,Agricultural sciences: %,Social sciences and humanities: Total,Social sciences and humanities: %,
2001,6,227,157.0,1,122,616.0,18.0,3,275,240.0,52.6,891,579.0,14.3,442,339.0,7.1,495,381.0,8.0,
2000,5,718,988.0,1,016,796.0,17.8,3,111,817.0,54.4,757,332.0,13.2,386,068.0,6.8,446,975.0,7.8,
1999,4,995,360.0,927,097.0,18.5,2,640,312.0,52.9,669,107.0,13.4,360,427.0,7.2,398,201.0,8.0,
1998,4,715,018.0,874,100.0,18.5,2,473,141.0,52.5,653,715.0,13.9,337,096.0,7.1,376,967.0,8.0,
1997,4,038,904.0,811,330.0,20.1,2,032,010.0,50.3,555,323.0,13.7,297,237.0,7.4,343,004.0,8.5,
1996,3,852,632.0,799,797.0,20.8,1,938,072.0,50.3,506,581.0,13.1,285,823.0,7.4,322,359.0,8.4,
1995,3,550,106.0,701,652.0,19.8,1,818,314.0,51.2,488,737.0,13.8,240,062.0,6.8,301,341.0,8.5,
1994,3,294,472.0,616,067.0,18.7,1,718,486.0,52.2,427,019.0,13.0,225,458.0,6.8,307,442.0,9.3,
1993,3,350,060.0,450,705.0,13.5,1,811,312.0,54.1,449,858.0,13.4,228,619.0,6.8,409,566.0,12.2,
1992,3,244,979.0,428,462.0,13.2,1,839,944.0,56.7,421,886.0,13.0,219,826.0,6.8,334,860.0,10.3,
1991,2,881,084.0,308,500.0,10.7,1,732,069.0,60.1,373,733.0,13.0,221,665.0,7.7,245,117.0,8.5,
1990,2,559,284.0,271,249.0,10.6,1,576,635.0,61.6,310,230.0,12.1,202,042.0,7.9,199,127.0,7.8,
1989,2,039,378.0,226,786.0,11.1,1,234,034.0,60.5,241,330.0,11.8,173,662.0,8.5,163,565.0,8.0,
1988,1,729,046.0,171,433.0,9.9,1,066,935.0,61.7,206,796.0,12.0,160,284.0,9.3,123,598.0,7.1,
1987,1,385,387.0,163,127.0,11.8,816,992.0,59.0,169,612.0,12.2,140,348.0,10.1,95,308.0,6.9,
1986,1,188,057.0,138,161.0,11.6,728,571.0,61.3,121,981.0,10.3,112,287.0,9.5,87,057.0,7.3,
1985,933,618.0,108,182.0,11.6,570,096.0,61.0,92,526.0,9.9,92,063.0,9.9,70,751.0,7.6,
1984,758,471.0,85,578.0,11.3,417,481.0,55.0,111,993.0,14.8,79,213.0,10.4,64,206.0,8.5,
1983,647,074.0,78,642.0,12.1,379,142.0,58.6,73,492.0,11.4,59,711.0,9.2,56,086.0,8.7,
1982,576,984.0,64,603.0,11.2,341,002.0,59.1,71,238.0,12.4,53,550.0,9.3,46,590.0,8.0,
1981,437,615.0,48,916.0,11.2,248,879.0,56.9,54,350.0,12.4,43,381.0,9.9,42,089.0,9.6,
1980,391,199.0,36,884.0,9.4,240,832.0,61.6,42,756.0,11.0,36,511.0,9.3,34,216.0,8.7,
1979,292,501.0,30,646.0,10.5,177,942.0,60.8,32,881.0,11.2,29,792.0,10.2,21,240.0,7.3,
1978,238,037.0,29,708.0,12.5,137,686.0,57.8,27,376.0,11.5,25,110.0,10.5,18,163.0,7.6,
1977,..,..,..,..,..,..,..,..,..,..,..,
1976,150,734.0,..,..,..,..,..,..,..,..,..,..,
1975,127,907.0,..,..,..,..,..,..,..,..,..,..,
1974,94,834.0,5,355.0,5.6,66,226.0,69.8,10,698.0,11.3,8,649.0,9.1,3,907.0,4.1,
1973,74,411.0,5,205.0,7.0,50,864.0,68.4,8,288.0,11.1,7,032.0,9.4,3,023.0,4.1,
1972,59,248.0,11,521.0,19.4,33,987.0,57.4,6,737.0,11.4,4,718.0,8.0,2,284.0,3.9,
1971,48,706.0,8,823.0,18.1,29,059.0,59.7,5,145.0,10.6,2,915.0,6.0,2,765.0,5.7,
1970,33,615.0,7,024.0,20.9,20,932.0,62.3,3,315.0,9.9,1,650.0,4.9,694.0,2.1,
1969,28,013.0,5,740.0,20.5,17,676.0,63.1,2,693.0,9.6,1,370.0,4.9,535.0,1.9,
1968,..,..,..,..,..,..,..,..,..,..,..,
1967,21,132.0,..,..,..,..,..,..,..,..,..,..,
1966,..,..,..,..,..,..,..,..,..,..,..,
1965,..,..,..,..,..,..,..,..,..,..,..,
1964,10,055.0,..,..,..,..,..,..,..,..,..,..,
Notes:
Data for 1994, 1996, 1998 and 2000 are estimates
Source: National Statistics Institute