date, RIR, IPv4 adoption, IPv6 adoption
20211220, ripencc,  0.5075,  0.3321
20211220, lacnic,  0.3689,  0.4043
20211220, apnic,  0.2260,  0.1917
20211220, afrinic,  0.1745,  0.0614
20211220, arin,  0.2322,  0.2003