Statistics on R&D Activities in the Business Sector 
Coverage of the statistic
Coverage of the statistic por years y sectors.
Units: specified in variables

	Companies: units researched	Companies: companies who perform R+D	Public Administration: units researched	Public Administration: centres that perform R+D	Higher Education: units researched	Higher Education: centres that perform R+D	NPPI: units researched	NPPI: centres that perform R+D	
2008	53,360	9,662	905	428	161	131	251	65	
2006	46,922	8,479	619	401	145	122	140	52	
2005	42,480	7,419	650	357	143	115	123	52	
2004	24,964	5,599	499	315	113	104	98	49	
2003	24,234	4,839	657	273	102	92	194	44	
2002	26,016	4,707	316	239	83	83	184	37	
2001	11,709	4,240	281	193	66	66	158	71	
Notes:
1) The data 'Higher education: centres that perform R+D'   for 2003, 2004, 2005, 2006 and 2007 include  other centres of higher education.  
  The data 'Higher education: units researched'   for 2003, 2004, 2005, 2006 and 2007 include   other centres of higher education.  
 The data 'Public Administration: centres that perform R+D' for 2003,  2004, 2005, 2006 and 2007 include public hospitals  
 . The data of 'Public Administration: units researched' for 2003,  2004, 2005, 2006 and 2007 public hospitals.
Source: National Statistics Institute