How are you getting 5? In recent memory, there's only 3: dotcom bubble (2000), GFC (2008), covid (2020). You'd either have to go back in time even more (eg. savings and loan crisis in the 80s/90s), or include regional ones (eg. eurozone crisis) to hit 5.

. . . once in a [news media financial analyst] generation financial crisis.

Its like fruit fly generations, not 20-30 year human cohort generations.

If you were 100 then you'd be right on pace. Or slightly ahead. Apparently a generation is 25-30 years. I think they should update that