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		\begin{tabular}[h]{lc}
			\hline
Source   & Relative uncertainty  \\\hline
Difference between data and MC to compute $r_{\textrm{{PID}}} = 1.09 \pm 0.06$  &  $\unit{5.8}{\percent}$\\
Uncertainty on the ``non- $\rho\xspace^0$ \xspace'' component $\alpha = 0.805 \pm 0.054$ &   $\unit{6.8}{\percent}$\\ 
MC selection efficiencies $r_{\textrm{{sel.}}} = 0.784 \pm 0.024$  & $\unit{3.1}{\percent}$\\
L0\xspace Hadron threshold $r_{\textrm{{\texttt{TOSOnly}}}} = 1.20 \pm 0.08$  &  $\unit{3.0}{\percent}$\\
\texttt{TIS} triggering efficiency $r_{\textrm{{\texttt{TIS}}}} = 1.03 \pm 0.03$  & $\unit{1.6}{\percent}$\\
PDF parametrisations  &   $\unit{1.0}{\percent}$ \\ \hline 
Overall relative systematic uncertainty &   $\unit{10.2}{\percent}$\\ \hline
Fragmentation fractions  &  $\unit{7.9}{\percent}$\\\hline
		\end{tabular}
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