Around & Around We Go (Circulating Supply)

Question 151: Display the circulating supply of LUNA over the past 3 months. Use on-chain data for your calculation, but you are welcome to reference outside sources to support and validate your answer.

For answering this question I tried to write a code to get to it but when checked www.coingecko.com Circulating Supply was 389,874,827 LUNA so I don't know what has happened in data base

I used these websites to solve this problem :