Estadística sobre Actividades en I+D en el Sector Empresas
Sector de empresas: Gastos internos en I+D
Otros 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,854.509,943.703,722.965,752.551,564.152,555.924,492.674,480.125,498.588,488.094,467.101,429.099,292.386,261.861,191.122,170.693,149.820,110.995,61.586,64.074,38.765,35.862,32.190,26.931,
Agricultura,3.293,8.320,15.297,32.779,10.373,..,7.194,..,10.121,3.792,4.429,4.249,2.614,4.526,2.254,1.034,331,156,48,60,114,180,66,48,
Energía y agua,17.443,9.092,20.102,19.767,23.974,..,27.112,..,41.662,30.465,12.225,10.440,9.790,10.163,4.778,5.662,5.055,3.209,3.480,2.837,1.611,1.503,1.815,1.527,
Extractivas y químicas,172.911,163.440,136.099,156.564,127.877,..,99.750,..,93.223,78.102,84.202,73.125,59.470,49.529,40.622,36.794,29.888,24.599,18.427,17.495,13.385,10.446,7.561,7.098,
Manufacturas metálicas,295.563,280.766,408.039,392.239,281.394,..,272.475,..,239.876,259.715,264.776,256.987,159.989,145.211,103.807,94.251,82.110,64.531,26.174,29.023,15.692,13.751,15.741,13.108,
Otras manufacturas,72.051,75.506,60.098,70.661,49.463,..,35.526,..,32.443,25.495,21.919,21.114,16.209,18.283,16.558,14.761,13.883,10.337,8.739,8.294,2.620,6.190,4.712,3.125,
Construcción,6.062,6.947,1.036,799,1.881,..,1.989,..,1.214,1.695,1.190,1.653,1.412,1.256,1.623,1.142,1.088,655,541,1.689,613,415,156,36,
Comercio y hostelería,7.790,4.542,6.773,541,685,..,156,..,379,114,66,30,..,..,..,..,..,..,..,..,54,30,0,0,
Transportes y comunicaciones,39.216,39.502,17.978,22.682,12.537,..,12.585,..,15.079,15.103,13.403,15.133,6.719,3.504,2.843,4.538,9.953,3.227,1.605,1.010,613,397,186,168,
Financieras y seguros,85.187,97.855,47.427,48.784,49.998,..,31.854,..,43.802,38.843,37.088,27.256,27.484,23.187,15.698,11.329,6.407,2.837,2.236,3.480,3.895,2.536,1.172,1.160,
Otros servicios,154.993,257.733,10.115,7.741,5.968,..,4.033,..,20.789,34.769,27.803,19.112,8.697,6.202,2.939,1.184,1.106,1.442,337,186,168,415,781,661,
Notas:
Desde 1993 incluido, la correspondencia entre CNAE-74 y CNAE-93 se  publica en el anexo 1
Fuente: Instituto Nacional de Estadística