2011 (1)
2015 (202)
2018 (96)
2019 (96)
2020 (225)
2021 (151)
2023 (106)
It satisfies most of bottom detection criteria including the VIX and QQV metrics (please check my old postings in 熊火烧不尽 春风吹又生 for details if you are curious).
Most importantly, my propitiatory rule number 7 was met:
7. No fund left when a real bottom shows up.