Estadística sobre Actividades en I+D en el Sector Empresas
Serie 1964-2021. Resultados basados en Unidades Legales
Personal en I+D interna, en EJC, por años y sectores/unidad
Unidades: personas y porcentaje (en equivalencia a jornada completa)

,Total (equivalencia a jornada completa),Administración Pública: Total (equivalencia a jornada completa),Administración Pública: %,Enseñanza superior: Total (equivalencia a jornada completa),Enseñanza superior: %,Empresas: Total (equivalencia a jornada completa),Empresas: %,IPSFL: Total (equivalencia a jornada completa),IPSFL: %,
1981,36.221,11.805,33,12.410,34,3,12.006,33,..,..,
1982,35.531,10.595,29,8,12.022,33,8,12.914,36,3,..,..,
1983,36.171,10.213,28,2,13.053,36,1,12.905,35,7,..,..,
1984,39.287,10.695,27,2,13.570,34,5,15.022,38,2,..,..,
1985,40.654,10.031,24,7,13.763,33,9,16.860,41,5,..,..,
1986,45.261,11.636,25,7,14.305,31,19.007,42,313,0,7,
1987,48.486,12.643,26,1,15.100,31,1,20.361,42,382,0,8,
1988,54.807,13.747,25,1,16.912,30,9,23.678,43,2,470,0,9,
1989,63.155,14.606,23,1,22.500,35,6,25.865,41,184,0,
1990,69.684,17.170,24,23.654,33,9,28.508,40,9,352,0,5,
1991,72.406,17.519,24,2,25.360,35,29.151,40,3,376,0,5,
1992,73.320,16.678,22,7,27.553,37,28.590,39,499,0,7,
1993,75.734,17.266,22,8,29.839,39,4,27.781,36,7,848,1,1,
1994,80.399,17.546,21,8,34.642,43,1,27.321,34,890,1,
1995,79.987,17.153,22,34.330,43,27.557,34,947,1,
1996,87.264,17.866,20,38.956,45,29.431,34,1.011,1,
1997,87.150,19.189,22,36.843,42,30.023,35,1.095,1,
1998,97.098,20.170,21,41.041,42,34.667,36,1.220,1,
1999,102.238,22.283,22,40.626,40,38.323,37,1.005,1,
2000,120.618,22.400,18,6,49.470,41,47.055,39,1.693,1,4,
2001,125.750,23.468,18,7,54.623,43,4,46.465,37,1.195,1,
2001(*),130.353,23.482,8,18,54.622,8,41,9,51.047,6,39,2,1.199,5,0,9,
2002,134.258,2,23.211,17,3,54.233,40,4,56.337,42,477,0,4,
2003,151.487,25.759,6,17,60.307,39,8,65.032,42,9,388,5,0,3,
2004,161.933,27.166,17,63.331,39,71.123,44,313,0,
2005,174.772,9,32.076,7,18,4,66.995,5,38,3,75.344,7,43,1,356,0,2,
2006,188.977,6,34.587,9,18,3,70.949,5,37,5,82.869,8,43,9,570,4,0,3,
2007,201.108,2,37.918,5,18,9,75.148,1,37,4,87.542,6,43,5,499,0,2,
2008,215.676,4,41.139,19,1,78.846,2,36,6,95.207,4,44,1,483,8,0,2,
2009,220.777,3,45.353,3,20,5,81.203,36,8,93.698,8,42,4,522,2,0,2,
2010,222.021,7,46.007,7,20,7,83.299,9,37,5,92.221,3,41,5,492,8,0,2,
2011,215.078,8,43.912,6,20,4,80.900,3,37,6,89.841,1,41,8,424,8,0,2,
2012,208.831,4,41.786,6,20,77.238,1,37,89.364,3,42,8,442,4,0,2,
2013,203.302,39.349,1,19,4,74.922,6,36,9,88.635,1,43,6,395,2,0,2,
2014,200.232,6,38.764,2,19,4,73.427,7,36,7,87.642,43,8,398,7,0,2,
2015,200.865,8,39.677,8,19,8,73.326,9,36,5,87.431,5,43,5,429,6,0,2,
2016,205.872,9,39.972,2,19,4,75.191,1,36,5,90.129,2,43,8,580,4,0,3,
2017,215.744,5,40.282,9,18,7,79.285,5,36,7,95.667,3,44,3,508,8,0,2,
2018,225.696,4,40.332,4,17,9,80.318,2,35,6,104.474,1,46,3,571,7,0,3,
2019,231.413,3,41.371,9,17,9,83.048,2,35,9,106.435,3,46,557,9,0,2,
2020,231.769,1,42.160,4,18,2,84.324,6,36,4,104.727,8,45,2,556,3,0,2,
2021,249.647,8,44.147,2,17,7,88.227,4,35,3,116.639,46,7,634,2,0,3,
Notas:
En equivalencia a jornada completa       
 '...'= dato no disponible

 Los datos de los años 2001(*) en adelante incluyen I+D continua y ocasional. 
 Los años 1994, 1996 y 1998 para 'Total' e 'IPSFL' son  estimaciones    
 Para los años 1981 hasta 1988 de 'Enseñanza superior' al no estimarse  el resto de personal, el personal empleado en I+D coincide con los investigadores.
Fuente: Instituto Nacional de Estadística