date, RIR, IPv4 adoption, IPv6 adoption
20220331, arin,  0.2469,  0.2020
20220331, apnic,  0.2778,  0.2280
20220331, lacnic,  0.3933,  0.4312
20220331, ripencc,  0.5173,  0.3408
20220331, afrinic,  0.1873,  0.0620