Estadística sobre Actividades en I+D en el Sector Empresas
Sector de empresas: Personal en EDP
Personal en I+D en EDP por rama de actividad (CNAE-74) y años.
Unidades: ?

,2001,2000,1999,1998,1997,1996,1995,1994,1993,1992,1991,1990,1989,1988,1987,1986,1985,1984,1983,1982,1981,1980,1979,1978,
Total,46.465,47.055,38.323,34.667,30.023,29.431,27.557,27.321,27.781,28.590,29.151,28.508,25.865,23.678,20.361,19.007,16.860,15.022,12.905,12.914,12.006,12.303,11.911,11.591,
Agricultura,329,479,908,827,859,677,698,559,736,350,364,249,235,305,247,136,80,46,10,24,41,33,21,20,
Energia y agua,666,551,890,655,749,999,1.135,809,800,710,835,857,828,771,721,710,685,649,573,595,565,757,799,758,
Extractivas y químicas,7.237,7.012,7.123,6.600,6.065,6.216,5.651,5.403,5.400,5.171,5.470,5.589,5.011,4.645,4.653,4.323,4.017,3.667,3.288,3.770,3.243,3.364,3.285,3.234,
Manufacturas metálicas,17.243,17.487,18.616,17.284,15.584,14.937,13.888,14.288,13.948,15.002,15.491,15.128,13.875,12.857,10.797,9.974,8.886,7.794,6.258,5.715,5.914,5.665,5.018,4.766,
Otras manufacturas,4.120,5.438,4.464,4.538,3.322,3.262,2.735,2.560,2.465,2.263,2.107,2.229,1.858,1.790,1.656,1.432,1.246,1.161,1.218,1.337,919,1.144,1.149,1.081,
Construcción,369,580,149,81,87,88,84,86,141,169,170,282,336,261,274,324,487,253,246,473,428,345,269,274,
Comercio y hostelería,359,295,197,56,52,11,41,7,32,67,18,60,..,..,..,..,..,..,..,..,15,20,9,9,
Transportes y comunicaciones,1.922,722,1.340,1.319,899,856,782,756,713,665,671,613,517,464,267,762,294,614,782,421,348,338,191,277,
Financieras y seguros,6.753,8.851,3.925,2.941,2.043,2.169,2.286,2.002,2.569,2.406,2.461,1.996,2.210,2.034,1.356,1.052,659,481,453,518,479,410,1.005,990,
Otros servicios,7.467,5.640,711,366,363,216,257,850,977,1.787,1.564,1.505,996,550,390,294,507,357,77,61,54,227,165,182,
Notas:
Desde 1993 incluído, la correspondencia entre CNAE-74 y CNAE-93 se  publica en el anexo 1
Fuente: Instituto Nacional de Estadística