Estadística sobre Actividades en I+D en el Sector Empresas
Sector de empresas: Gastos internos en I+D
Gastos en  I+D realizados con fondos de otras empresas 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,126.624,147.814,130.070,145.090,90.735,67.932,69.309,..,63.653,70.691,69.014,51.104,32.082,24.281,21.522,22.496,27.761,8.588,13.817,4.201,6.190,11.726,7.374,6.864,
Agricultura,24,2.823,3.467,4.009,3.089,1.382,1.881,..,1.509,313,102,60,325,48,1.953,835,66,30,30,..,..,..,24,24,
Energía y agua,828,0,8.702,4.466,4.664,12.183,24.215,..,11.960,17.429,15.392,18.247,2.897,4.724,1.665,349,108,24,..,0,..,..,..,..,
Extractivas y químicas,2.624,865,5.567,2.476,4.417,4.712,5.199,..,1.563,1.322,1.953,3.780,5.331,2.422,2.777,1.833,2.717,1.953,1.064,361,1.647,264,998,835,
Manufacturas metálicas,29.443,5.009,50.816,69.519,44.775,22.316,22.310,..,13.072,13.048,17.207,5.637,5.680,6.082,6.455,12.315,20.158,3.480,8.823,1.178,1.569,8.234,246,174,
Otras manufacturas,5.537,2.539,6.989,6.569,6.936,2.981,2.957,..,3.828,2.999,301,721,210,865,595,421,138,..,36,138,547,144,..,..,
Construcción,382,613,331,433,505,42,24,..,18,..,..,..,..,..,..,0,..,..,..,..,481,48,4.201,4.129,
Comercio y hostelería,3.568,0,328,..,84,..,144,..,..,..,..,6,..,..,..,..,..,..,..,..,12,..,..,..,
Transportes y comunicaciones,0,0,27.256,35.237,1.665,2.290,962,..,902,..,102,..,..,..,..,..,..,..,..,..,..,..,..,..,
Financieras y seguros,10.129,2.916,20.471,16.023,18.241,19.118,8.925,..,13.859,9.766,12.068,6.912,12.020,8.330,5.337,5.073,3.570,2.837,3.666,2.374,1.863,2.434,1.202,1.118,
Otros servicios,74.089,133.049,6.144,6.359,6.359,2.909,2.693,..,16.943,25.813,21.889,15.741,5.619,1.809,2.741,1.671,1.004,264,198,150,72,601,703,583,
Notas:
Desde 1993 incluido, la correspondencia entre CNAE-74 y CNAE-93 se  publica en el anexo 1
Fuente: Instituto Nacional de Estadística