date       RIR       IPv4 adoption   IPv6 adoption
20220119   ripencc    0.5092          0.3334
20220119   afrinic    0.1775          0.0613
20220119   arin       0.2328          0.2005
20220119   apnic      0.2265          0.1920
20220119   lacnic     0.3879          0.4229