
\begin{tabular}{lcc} \toprule 
& Low skilled & High skilled \\ \hline 
Births, $\varrho^{b}$ & $4.615$ & $6.310$ \\ 
Effort, $\varrho^{e}$ & $9.517$ & $8.827$ \\ 
Abortions, $\varrho^{q}$ & $-1.933$ & $-1.782$ \\ 
\bottomrule \end{tabular}
