date, RIR, IPv4 adoption, IPv6 adoption
20220421, ripencc,  0.5182,  0.3423
20220421, arin,  0.2489,  0.2746
20220421, afrinic,  0.1865,  0.0620
20220421, apnic,  0.2804,  0.2283
20220421, lacnic,  0.4017,  0.4338