date, RIR, IPv4 adoption, IPv6 adoption
20220306, ripencc,  0.5146,  0.3383
20220306, apnic,  0.2772,  0.2277
20220306, lacnic,  0.3906,  0.4285
20220306, arin,  0.2382,  0.2019
20220306, afrinic,  0.1791,  0.0617