date, RIR, IPv4 adoption, IPv6 adoption
20210910, ripencc,  0.4955,  0.3201
20210910, apnic,  0.2536,  0.1452
20210910, arin,  0.2195,  0.1994
20210910, lacnic,  0.2953,  0.3835
20210910, afrinic,  0.1554,  0.0565