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 procedentes del extranjero 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,252.676,113.628,117.464,103.074,124.704,96.997,109.847,140.715,146.130,129.921,130.696,155.981,86.822,37.936,17.982,18.012,44.505,5.391,5.824,5.854,4.333,3.973,2.951,2.915,
Agricultura,0,1.899,4.337,1.995,2.927,896,1.815,..,853,1.034,108,240,18,42,78,..,..,..,..,..,0,..,..,..,
Energía y agua,1.624,2.452,2.475,15.380,11.137,5.523,14.767,..,9.244,4.261,4.562,4.213,1.232,2.254,1.052,421,361,..,..,..,..,..,..,..,
Extractivas y químicas,22.379,6.178,11.408,8.198,8.733,7.915,8.300,..,3.143,721,1.929,1.773,4.057,5.962,3.276,1.454,3.101,1.034,2.019,2.320,1.052,294,..,..,
Manufacturas metálicas,41.126,57.438,59.115,56.724,73.750,61.520,60.095,..,101.271,100.483,102.352,134.092,73.095,25.507,12.561,16.017,40.941,4.357,3.804,2.837,2.927,3.534,2.945,2.909,
Otras manufacturas,1.122,2.934,4.136,4.315,4.243,2.560,2.891,..,1.292,601,307,186,60,301,..,..,..,..,..,307,..,..,..,..,
Construcción,1.080,267,230,391,210,156,114,..,421,186,457,36,..,..,..,..,..,..,..,60,..,..,..,..,
Comercio y hostelería,9.329,0,0,0,0,204,..,..,..,..,..,..,..,..,..,..,..,..,..,..,..,..,..,..,
Transportes y comunicaciones,59.551,721,1.617,2.885,685,1.491,1.190,..,487,186,1.250,3.071,..,..,..,..,..,..,..,..,..,..,..,..,
Financieras y seguros,47.770,22.744,32.589,11.984,22.808,16.618,20.543,..,23.902,17.526,16.636,9.754,7.837,3.678,944,54,48,..,..,331,355,144,..,..,
Otros servicios,68.695,18.995,1.558,1.202,210,114,132,..,5.517,4.922,3.095,2.614,523,192,72,66,54,..,..,..,..,..,6,6,
Notas:
Desde 1993 incluido, la correspondencia entre CNAE-74 y CNAE-93 se  publica en el anexo 1
Fuente: Instituto Nacional de Estadística