Electoral Carlism (Second Republic)
In terms of electoral success Carlism of the Second Spanish Republic remained a medium-small political grouping, by far outperformed by large parties like PSOE and CEDA though trailing behind also medium-large contenders like Izquierda Republicana. During three electoral campaigns to the Cortes combined the Carlists seized less than 50 seats, which is below 3% of all seats available.
Source: Wikipedia — Electoral Carlism (Second Republic) (CC BY-SA 4.0)