Average Price Shift for Synth Holders (THORChain Bounties)

    Q60. What is the typical price shift experienced by a synth holder? Compare the current price of the asset vs the price when they minted (relative to $RUNE). Ideal format is a bar chart of % of users, and current price relative to the price at the time of the synth mint. Hint: use thorchain.prices and thorchain.swaps. A mint is when the to_asset has a ""/"" in it, like ""TERRA/LUNA"" instead of ""TERRA.LUNA"". Similarly, a burn is when the from_asset has a ""/"" in it.