If this chart makes sense, history of AE public debt since 2008 falls into three phases: GFC -> crisis surge

If this chart makes sense, history of AE public debt since 2008 falls into three phases:
GFC -> crisis surge in debt absorbed by public.
QE era: public debt/gdp static. CB soak up 15% of gdps worth.
2020 -> 20% gdp surge in debt entirely absorbed by central banks.
About right? https://t.co/cNOLsUIYOU

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