Estadística sobre Actividades en I+D en el Sector Empresas
Sector de empresas: Gastos internos en I+D
Gastos corrientes en I+D por rama de actividad (CNAE-74) y años.
Unidades: miles de euros

,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,2.594.764,2.579.794,2.078.456,1.951.240,1.613.104,1.606.259,1.423.479,1.349.711,1.401.620,1.398.838,1.330.322,1.200.191,884.768,766.483,592.556,522.201,424.327,331.867,262.931,240.032,176.379,163.632,124.512,105.099,
Agricultura,10.409,17.604,43.514,54.860,30.363,25.783,23.530,..,24.467,10.379,11.359,8.649,6.599,8.793,5.523,3.077,1.016,523,84,198,325,331,180,132,
Energia y agua,48.426,24.397,57.099,51.837,54.097,72.194,71.905,..,74.556,57.950,38.471,34.216,31.162,29.125,20.987,21.787,19.353,15.789,14.755,13.270,9.869,8.576,7.903,6.371,
Extractivas y químicas,453.883,413.807,389.956,380.861,342.000,349.729,285.349,..,264.499,231.426,233.878,211.959,169.479,150.481,136.466,117.245,98.614,81.756,70.475,70.805,54.199,47.474,40.172,34.390,
Manufacturas metálicas,995.244,987.486,1.088.434,1.025.393,844.115,802.045,752.161,..,705.095,759.547,741.439,687.702,478.592,418.322,310.591,272.120,220.343,169.648,121.759,100.069,77.038,70.727,49.980,42.425,
Otras manufacturas,205.588,221.441,195.242,200.888,151.647,150.235,118.730,..,101.493,88.108,77.939,74.628,57.373,52.901,46.398,42.726,34.648,30.207,29.462,31.818,14.707,18.860,13.733,10.193,
Construcción,21.037,28.712,6.205,3.720,5.686,3.877,5.439,..,6.906,9.141,8.546,9.676,7.837,7.326,8.192,7.705,9.358,4.171,4.207,8.366,6.106,4.556,4.267,4.015,
Comercio y hostelería,20.026,13.999,16.666,2.272,2.392,511,1.280,..,1.358,1.551,409,932,..,..,..,..,..,..,..,..,276,313,72,60,
Transportes y comunicaciones,122.619,67.091,88.113,74.519,51.885,75.625,43.838,..,40.178,36.632,34.805,32.671,19.425,11.227,9.694,19.401,14.995,13.841,11.660,5.800,4.724,3.810,2.013,2.152,
Financieras y seguros,308.021,358.086,170.023,140.300,116.554,117.786,112.822,..,134.104,124.283,117.738,89.166,88.890,73.095,45.412,32.593,17.784,10.626,9.111,9.214,8.703,6.779,4.309,3.768,
Otros servicios,409.511,447.171,23.204,16.588,14.364,8.474,8.426,..,48.964,79.820,65.739,50.593,25.411,15.212,9.292,5.547,8.216,5.307,1.418,493,433,2.206,1.881,1.593,
Notas:
Desde 1993 incluido, la correspondencia entre CNAE-74 y CNAE-93 se  publica en el anexo 1
Fuente: Instituto Nacional de Estadística