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\begin{document}
\begin{tabular} {l cc cc cc cc}
\hline
Systematic  & \multicolumn{2}{c}{$ A_{ C\!P\xspace}\xspace(K\pi\pi)$}  & \multicolumn{2}{c}{$ A_{ C\!P\xspace}\xspace(KKK)$} &  \multicolumn{2}{c}{$ A_{ C\!P\xspace}\xspace(\pi\pi\pi)$}  &  \multicolumn{2}{c}{$ A_{ C\!P\xspace}\xspace(\pi KK)$}     \\
uncertainty     &   2011 &2012   &   2011 &2012  &   2011 &2012  &   2011 &2012                         \\
\hline
Signal model    &  &  & &  &  &  &  &  \\ 
\; function & 0.0000 & 0.0001 & 0.0002 & 0.0005 & 0.0046 & 0.0025 & 0.0028 & 0.0046 \\ 
\;  $ B\xspace\xspace^\pm$ \xspace parameters      & 0.0006 & 0.0006 & 0.0005 & 0.0005 & 0.0032 & 0.0032 & 0.0027 & 0.0027 \\
Background &  &  & &  &  &  &  &  \\
\; fractions    & 0.0000 & 0.0001 & 0.0002 & 0.0001 & 0.0001 & 0.0001 & 0.0010 & 0.0014 \\ 
\; resolution           & 0.0000 & 0.0001 & 0.0001 & 0.0000 & 0.0001 & 0.0000 & 0.0001 & 0.0004 \\ 
\; asymmetry    & 0.0031 & 0.0032 & 0.0015 & 0.0011 & 0.0017 & 0.0027 & 0.0011 & 0.0019 \\ 
Acceptance corr. &  0.0012 &  0.0018 &0.0013 &0.0013 &0.0063 & 0.0051 &  0.0099 & 0.0092 \\
 $ A_{\rm D}^{K}$ \xspace uncertainty & -- & -- & -- & -- & 0.0018 & 0.0018 & 0.0018 & 0.0018 \\
 $ A_{\rm D}^{\pi}$ \xspace uncertainty & -- & -- & -- & -- & 0.0025 & 0.0025 & 0.0025 & 0.0025 \\
\hline
Total &0.0034 & 0.0038 & 0.0020 & 0.0019 & 0.0090&  0.0075 & 0.0113 &0.0115 \\
\hline
\end{tabular}
\end{document}
