Galaxy number counts for source (left) and lens (right) galaxies for eight redshift bins over several iterations of the optimisation method applied for the dynamical DE model parameters w₀w_a. The top left panel corresponds to the source sample after the first iteration (S1), the top right panel corresponds to the lens sample after the first iteration (L1), the bottom left panel corresponds to the source sample after the second iteration (S2), and the bottom right to the second iteration of the lens sample (L2). The coloured bands represent the bin edges for the base case of equally spaced bins.