date, RIR, IPv4 adoption, IPv6 adoption
20220220, arin,  0.2350,  0.2012
20220220, ripencc,  0.5128,  0.3371
20220220, apnic,  0.2755,  0.2250
20220220, afrinic,  0.1778,  0.0613
20220220, lacnic,  0.3902,  0.4270