date, RIR, IPv4 adoption, IPv6 adoption
20220216, arin,  0.2345,  0.2011
20220216, apnic,  0.2754,  0.2249
20220216, afrinic,  0.1777,  0.0612
20220216, lacnic,  0.3894,  0.4267
20220216, ripencc,  0.5132,  0.3370