Nixon, Carter, and Obama are notable for the high Misery Index during their administrations. Generally speaking, you don't hear much about the Misery Index until it's value is above 10. Though it spiked in the spring and summer of 2020 at the height of COVID, it never reached the Carter peak of 21.98, and declined below 10 in the fall of 2020. It has been above 10 since April 2021, and is currently 11.01.