date, RIR, IPv4 adoption, IPv6 adoption
20220101, ripencc,  0.5082,  0.3317
20220101, apnic,  0.2264,  0.1920
20220101, lacnic,  0.3693,  0.4051
20220101, arin,  0.2322,  0.2003
20220101, afrinic,  0.1750,  0.0614