The rest-frame 35 μm LF estimated in two redshift bins with the 1/V_max method. Red squares are obtained using scaled CE01 templates which best fit the L_{24   μm/(1 + z)} − L_{70   μm/(1 + z)} correlation. Asterisks show the local reference derived from Shupe et al. (1998) and the dotted line presents the best-fit to these data points with a double power law function with fixed slopes (see Table A.1). The dark shaded area span all the solutions obtained with the χ² minimization method and compatible, within 1σ, with our data points. The dashed line represents the best fit of the rest-frame 35 μm LF. In the first redshift panel, we reproduce in green, blue, yellow and red the best fit of the LF obtained at 0.4 < z < 0.7, 0.7 < z < 1.0, 1.0 < z < 1.3 (Magnelli et al. 2009), and 1.8 < z < 2.3 respectively.