Sum of values of UTXO elements with the fixed script output type. At height 945432 we have that circulating supply = 20016748.02883195 =
2627.60500459[nonstandard] +
1716019.54341839[pubkey] +
4648302.75270768[pubkeyhash] +
3946817.43359551[scripthash] +
60.35715995[multisig] +
8135411.28438468[witness_v0_keyhash] +
1353099.40338979[witness_v0_scripthash] +
214409.31239133[witness_v1_taproot] +
0.33678003[witness_unknown].