date, RIR, IPv4 adoption, IPv6 adoption
20230410, ripencc,  0.6022,  0.3674
20230410, lacnic,  0.4567,  0.4695
20230410, arin,  0.2834,  0.3472
20230410, apnic,  0.3304,  0.2323
20230410, afrinic,  0.2393,  0.0707