A few observations for USDT and USDC deposit APY

• both stablecoin APY is highly correlated to each other
• USDT APY yield is generally higher than USDC
• yield of both USDT and USDC deposit has both decreased over time
• for the 2 months following crypto crash in May, both stablecoin generate very low yield, likely due to fear in the market resulting in lower borrowing and yield return
• APY for both stablecoin appears to be picking up in Aug

Top 2 stablecoin by borrow volume would be USDC and USD

What has the interest rate for the current top 2 stablecoins by volume on Aave been over the past 6 months?