Sectors	Periodo	Total
Companies: units researched	2008	55.742
Companies: units researched	2007	53.360
Companies: units researched	2006	46.922
Companies: units researched	2005	42.480
Companies: units researched	2004	24.964
Companies: units researched	2003	24.234
Companies: units researched	2002	26.016
Companies: units researched	2001	11.709
Companies: companies who perform R+D	2008	10.197
Companies: companies who perform R+D	2007	9.662
Companies: companies who perform R+D	2006	8.479
Companies: companies who perform R+D	2005	7.419
Companies: companies who perform R+D	2004	5.599
Companies: companies who perform R+D	2003	4.839
Companies: companies who perform R+D	2002	4.707
Companies: companies who perform R+D	2001	4.240
Public Administration: units researched	2008	930
Public Administration: units researched	2007	905
Public Administration: units researched	2006	619
Public Administration: units researched	2005	650
Public Administration: units researched	2004	499
Public Administration: units researched	2003	657
Public Administration: units researched	2002	316
Public Administration: units researched	2001	281
Public Administration: centres that perform R+D	2008	519
Public Administration: centres that perform R+D	2007	428
Public Administration: centres that perform R+D	2006	401
Public Administration: centres that perform R+D	2005	357
Public Administration: centres that perform R+D	2004	315
Public Administration: centres that perform R+D	2003	273
Public Administration: centres that perform R+D	2002	239
Public Administration: centres that perform R+D	2001	193
Higher Education: units researched	2008	181
Higher Education: units researched	2007	161
Higher Education: units researched	2006	145
Higher Education: units researched	2005	143
Higher Education: units researched	2004	113
Higher Education: units researched	2003	102
Higher Education: units researched	2002	83
Higher Education: units researched	2001	66
Higher Education: centres that perform R+D	2008	137
Higher Education: centres that perform R+D	2007	131
Higher Education: centres that perform R+D	2006	122
Higher Education: centres that perform R+D	2005	115
Higher Education: centres that perform R+D	2004	104
Higher Education: centres that perform R+D	2003	92
Higher Education: centres that perform R+D	2002	83
Higher Education: centres that perform R+D	2001	66
NPPI: units researched	2008	253
NPPI: units researched	2007	251
NPPI: units researched	2006	140
NPPI: units researched	2005	123
NPPI: units researched	2004	98
NPPI: units researched	2003	194
NPPI: units researched	2002	184
NPPI: units researched	2001	158
NPPI: centres that perform R+D	2008	65
NPPI: centres that perform R+D	2007	65
NPPI: centres that perform R+D	2006	52
NPPI: centres that perform R+D	2005	52
NPPI: centres that perform R+D	2004	49
NPPI: centres that perform R+D	2003	44
NPPI: centres that perform R+D	2002	37
NPPI: centres that perform R+D	2001	71