For the given criteria and time period, returns time to fill data (in days).In addition to the median (50th percentile) figure, we also return 25th and 75th percentile figures, together with a minimum and maximum figure.To reduce the effect of statistical outliers, for minimum and maximum values, we consider the 5th and 99th percentiles (respectively), and additionally do not consider postings that were seen for less than 14 days.This endpoint allows querying by one primary facet type (location, occupation, skill, industry, employer) only. Multiple values of the same facet may be provided, in which case, they will be aggregated.