Posterior probability distribution of the galaxy population model parameters, η, obtained by fitting only the strong lenses (green filled contours) and the full sample (red solid contour lines). All of the available lensing data (image positions and magnitudes) were used for the fit. Black dashed lines mark the true values of the parameters. Red dotted lines indicate the values of the parameters obtained by fitting the model of Eq. (28) to the subsample of strong lenses (the mean log θ_Ein parameter value is μ_Ein = −0.12, which is outside of the plot range).