Similar to Fig. 1. From left to right, these panels present results for E  >  30−; E  >  60−; and E  >  100 MeV, respectively. The solid black line corresponds to the RMA regression in each case. The black dashed line gives the upper solar limit based on the Takahashi et al. (2016) scaling law of . The line is forced to fit the uppermost point in each panel. In all panels, the red dot correspond to the 8 November 2000 outstanding large SEP event (see text for further details).