\begin{tabular*}{\textwidth}{@{\extracolsep\fill}l rrr@{~}rrrr@{~}rrrr@{}}
\toprule
&\multicolumn{3}{@{}c@{}}{Organisation}&\multicolumn{4}{@{}c@{}}{Person}&\multicolumn{4}{@{}c@{}}{Affiliation}\\
\cmidrule{2-4}\cmidrule{5-8}\cmidrule{9-12}ID&Org&Prt&C/O&Pers&Sex&Birth&URL&Affil&Mini&MPs&PrtyM\\
\midrule
AT&37&18&38&854&854&848&854&3,381&122&776&795\\
BA&42&40&14&603&603&231&0&848&24&282&278\\
BE&68&66&19&786&569&569&0&2,174&35&551&551\\
BG&46&38&6&1,032&1,032&912&99&4,309&25&838&817\\
CZ&450&33&7&597&570&507&572&13,632&93&536&465\\
DK&21&19&8&383&383&383&0&1,025&73&383&383\\
EE&8&6&7&488&264&263&0&1,140&62&263&262\\
ES-CT&39&37&5&364&364&364&0&1,726&44&324&364\\
ES-GA&59&57&6&227&227&214&182&712&16&170&212\\
ES-PV&11&9&5&197&197&175&156&442&21&193&193\\
ES&52&50&10&941&926&884&0&1,849&65&843&826\\
FI&19&17&16&314&310&310&0&1,187&77&306&305\\
FR&185&26&5&908&908&902&0&2,621&18&846&814\\
GB&37&34&5&1,951&1,951&0&1,951&8,995&0&1,868&1,947\\
GR&16&14&5&635&635&0&0&2,562&91&532&532\\
HR&47&45&12&1,036&1,036&660&0&2,456&78&660&660\\
HU&94&38&6&492&492&488&0&3,411&25&279&343\\
IS&12&9&5&261&261&261&261&925&26&138&239\\
IT&47&45&23&771&771&771&771&3,164&82&706&597\\
LV&13&11&6&234&234&0&0&488&35&196&196\\
NL&50&35&14&586&586&542&557&1,140&49&244&549\\
NO&17&13&9&1,106&1,106&1,106&0&5,067&141&1,069&1,106\\
PL&12&9&4&1,223&1,223&753&753&2,161&53&753&645\\
PT&25&22&12&836&836&761&0&3,143&64&696&816\\
RS&73&71&18&1,724&1,724&1,472&0&4,934&57&1,472&1,472\\
SE&15&13&5&649&649&0&0&1,688&49&626&644\\
SI&32&29&30&973&973&466&330&1,645&59&415&410\\
TR&83&47&3&1,346&1,234&1,234&1,204&7,326&96&1,218&1,229\\
UA&151&148&38&2,617&2,617&2,459&528&10,661&225&1,827&1,826\\
\botrule
\end{tabular*}
