\begin{table}%t5
\caption{\label{table:5}Proper motion computations from 2MASS, USNO B1.0 and ESO2p2/WFI global mosaic star positions.}
\par
%\centering
\par
\begin{tabular}{c c c c c c c}
\hline\hline \noalign{\smallskip}
       & Final mosaic & UCAC2   &  2MASS     & USNO B1.0   &  No    \\
Year   & positions  & p.m.    &  p.m.      & p.m.     &  p.m.    \\
\hline
2008   &   279~127  & 9826   &   155~807  &  47~774  &  65~720  \\
2009   &    47~576  & 7343   &    32~213  &   5472  &   2548  \\
2010   &   361~830  & 20~704  &   121~440  &  69~433  & 150~253  \\
2011   &   466~433  & 17~740  &   167~283  &  83~910  & 197~500  \\
2012   &   622~343  & 15~689  &   155~970  & 128~038  & 322~646  \\
2013   &   166~283  & 14~180  &   109~182  &  20~722  &  22~199  \\
2014   &   122~199  & 13~634  &    78~610  &  14~985  &  14~970  \\
2015   &   176~495  & 11~067  &    72~908  &  37~607  &  54~913  \\
total  & 2~242~286  & 110~183 &   893~413  & 407~941  & 830~749  \\
\hline
\end{tabular}
\tablefoot {Number of final global mosaic star positions, number of UCAC2 stars with proper motions (directly extracted from UCAC2), number of stars with proper motions based on the 2MASS and USNO~B1.0 and number of stars for which no proper motion could be computed.}
\end{table}