date       RIR       IPv4 adoption   IPv6 adoption
20220719   ripencc    0.5526          0.3439
20220719   afrinic    0.1937          0.0641
20220719   lacnic     0.4029          0.4425
20220719   arin       0.2681          0.2416
20220719   apnic      0.2968          0.2293