Distribution of depletion times, measured in 30 pc and 500 pc beams on a Cartesian grid (with arbitrary origin, i.e., not centered on peaks of star formation) in the central 6 kpc × 6 kpc of the system. For better statistics, we repeat the measurements by shifting the origin of the grid by several fractions of the beam size, and stack the distributions obtained. Large-scale measurements have a bimodal distribution of short (∼100 Myr) and long (∼2 Gyr) t_dep.