date, RIR, IPv4 adoption, IPv6 adoption
20210930, afrinic,  0.1605,  0.0579
20210930, lacnic,  0.2959,  0.3864
20210930, arin,  0.2205,  0.1998
20210930, apnic,  0.2186,  0.1207
20210930, ripencc,  0.5031,  0.3225