well I agree, my point is that ie 2007-2021 is better than 2009-2021, and with my example I meant to illustrate that the best performers will perform less well

well I agree, my point is that ie 2007-2021 is better than 2009-2021, and with my example I meant to illustrate that the best performers will perform less well and the poor performers perform better if you include 2008, showing that this does in fact matter.