Distributions of sources with ionized outflows as a function of the [O III] luminosity. The top panel shows the velocity distribution for approaching, receding, and symmetric outflows represented with blue, red, and green histograms, respectively. The lower panels show same distributions for subsamples defined on the basis of the AGN type. For each panel, the fraction of AGNs with outflow is highlighted, together with the fraction of receding and approaching outflows.