Sectors;Period;Total 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;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;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;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;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;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;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;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