I might have missed something here "current dollar valuations are more appropriate. Nominal GDP measured in these units are plotted in Figure 2." https://econ

I might have missed something here "current dollar valuations are more appropriate. Nominal GDP measured in these units are plotted in Figure 2." https://econbrowser.com/archives/2009/06/how_important_i_2#:~:text=current%20dollar%20valuations%20are%20more%20appropriate.%20Nominal%20GDP%20measured%20in%20these%20units%20are%20plotted%20in%20Figure%202. https://econbrowser.com/archives/2009/06/how_important_i_2#:... (What do those bumps correspond to?)