Sum of values of UTXO elements with the fixed script output type. At height 866733 we have that circulating supply = 19770824.23954105 =
2627.60489472[nonstandard] +
1723748.59693797[pubkey] +
7003978.37902645[pubkeyhash] +
4319688.45641179[scripthash] +
56.60332885[multisig] +
5528482.56061809[witness_v0_keyhash] +
1092050.80863605[witness_v0_scripthash] +
100191.22425700[witness_v1_taproot] +
0.00543013[witness_unknown].