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