Sum of values of UTXO elements with the fixed script output type. At height 840603 we have that circulating supply = 19689167.99270937 =
2627.60489472[nonstandard] +
1726470.14726589[pubkey] +
7444809.03558408[pubkeyhash] +
4160647.69902336[scripthash] +
52.21429794[multisig] +
5231572.08668990[witness_v0_keyhash] +
1058349.08850532[witness_v0_scripthash] +
64640.11137390[witness_v1_taproot] +
0.00507426[witness_unknown].