date, RIR, IPv4 adoption, IPv6 adoption
20220329, ripencc,  0.5172,  0.3407
20220329, lacnic,  0.3922,  0.4305
20220329, arin,  0.2467,  0.2019
20220329, apnic,  0.2776,  0.2279
20220329, afrinic,  0.1865,  0.0620