Upper panel: ratio of the mass loss rate induced by non-thermal electrons and EUV photons to that induced by EUV photons only vs. the semimajor axis of the orbit for our sample of transiting planets (see the text). The parameter s = 2.0 specifies the radial dependence of the stellar magnetic field according to Eq. (3). Middle panel: the same as the upper panel, but for s = 2.5. Lower panel: the same as the upper panel, but for s = 3.0.