1 INTRODUCTION

2 METHODS

2.1 Data

2.2 Einstein timescale posteriors

2.3 Hierarchical timescale inference

2.4 Choice of metric

2.5 The Manchester-Besançon Microlensing Simulator (MaBµlS-2)

2.6 Spatial mapping

2.7 Efficiency correction

2.8 Limitations of the efficiency correction

3 RESULTS

4 DISCUSSION AND CONCLUSIONS