Get one network-level statistic as a daily series

One point for every UTC day of the window. stat is required. A flow statistic (ap_switching = Movers (AP), cross_border = Cross-border moves, smp_switching = Movers (SMP), growth = Net growth with Joiners and Leavers) carries per day its counts (values), the registered-participant count at the start of the day (base), the first key as a percentage of that base (pct) and its 7-day mean (mean_7d). For cross_border, base is all AP moves of the day and pct is the cross-border share of them. A day with no completed change scan has gap: true and values: null — a gap is never 0. The 7-day mean is the mean over the scanned days of day − 6 .. day: a gap day is in neither the sum nor the divisor, and the mean is null when all are gaps. It is the same figure as trend_30d of /v1/network/stats. For growth, a gap day keeps joiners and nulls leavers and net. A stock statistic (concentration_ap = Concentration (AP), concentration_ap_country = Concentration per country, concentration_smp = Concentration (SMP), foreign_served = Foreign-served participants, penetration) carries values, null on a day with no snapshot; foreign_served also carries base, the registered participants of that day. concentration_ap, concentration_ap_country, foreign_served and penetration have no history before their first snapshot. A day with no snapshot is absent, not 0. The series starts 2026-08-02.