Ejected ⁵⁶Ni mass vs. M_ej (upper panel), M_ej vs. E_nuc (middle panel) and E_kin, ej vs. E_nuc (lower panel) for this work (black circles) and the works of J12, F14, K15 and L20. L12 only provide yields for IGEs, but not for ⁵⁶Ni. To provide an approximate value for ⁵⁶Ni, we multiplied the IGE masses with a factor of 0.7 in agreement with the M_IGE to M(⁵⁶Ni) ratios of L14 who use the same initial model. Measurements for M(⁵⁶Ni) and M_ej for SN 2002cx, 2008ha, 2012Z and were taken from McCully et al. (2014b), and references therein. Values for SN 2015H are from Magee et al. (2016) and for SN 2014ck from Tomasella et al. (2020).