Statistics on R&D Activities in the Business Sector Higher education sector Internal expenditure in R+D by year and scientific discipline. Units: thousands of euros ,Total,Exact and natural sciences,Engineering and technology,Medical sciences,Agricultural sciences,Social sciences and humanities, 2001,1,925,357,720,619,442,603,247,866,105,612,408,657, 2000,1,693,882,649,880,369,699,225,815,88,377,360,111, 1999,1,504,604,593,530,281,400,213,203,84,496,331,975, 1998,1,438,667,587,555,259,463,199,999,74,165,317,485, 1997,1,321,932,550,906,252,497,168,464,60,744,289,321, 1996,1,242,701,510,950,220,385,173,206,62,535,275,630, 1995,1,136,911,455,826,209,044,165,068,54,055,252,924, 1994,1,040,304,391,361,182,239,154,466,53,117,259,114, 1993,1,047,817,294,959,170,038,169,221,49,091,364,502, 1992,938,162,300,686,155,356,148,708,41,440,291,972, 1991,640,120,199,584,93,824,103,729,33,945,209,032, 1990,521,204,159,851,78,853,89,665,27,082,165,753, 1989,416,321,132,024,57,733,68,059,22,598,135,913, 1988,332,756,105,345,48,694,59,061,17,279,102,370, 1987,262,444,85,524,40,460,45,983,13,571,76,906, 1986,221,040,66,292,37,022,38,242,10,968,68,527, 1985,192,246,53,604,32,641,35,454,8,042,62,511, 1984,168,476,43,802,28,296,32,154,7,218,57,018, 1983,148,883,39,384,24,046,29,071,7,879,48,502, 1982,129,350,35,484,21,450,25,188,6,527,40,707, 1981,100,417,23,680,16,468,20,302,5,770,34,204, 1980,81,978,17,748,15,789,16,143,4,532,27,767, 1979,49,349,13,024,8,468,9,863,2,885,15,109, 1978,38,849,12,669,3,294,8,576,2,230,12,080, 1977,..,..,..,..,..,.., 1976,9,322,..,..,..,..,.., 1975,9,123,..,..,..,..,.., 1974,4,964,1,545,595,974,264,1,581, 1973,4,634,1,581,625,950,270,1,208, 1972,4,441,1,298,301,1,214,204,1,424, 1971,5,133,1,448,301,1,040,307,2,037, 1970,1,202,451,180,294,138,138, 1969,974,355,150,252,102,114, Notes: Source: National Statistics Institute