date, RIR, IPv4 adoption, IPv6 adoption
20221220, ripencc,  0.5849,  0.3646
20221220, arin,  0.2870,  0.3460
20221220, lacnic,  0.4107,  0.4623
20221220, apnic,  0.3274,  0.2316
20221220, afrinic,  0.1966,  0.0679