Same as Figure 10, except for L1489-IR (1σ = 0.153 Jy beam⁻¹, min = −0.3 Jy beam⁻¹, max = 0.2 Jy beam⁻¹), IRAM 04191+1522 (1σ = 0.080 Jy beam⁻¹, min = −0.2 Jy beam⁻¹, max = 2.3 Jy beam⁻¹), L1521B (1σ = 0.091 Jy beam⁻¹, min = −0.3 Jy beam⁻¹, max = 1.3 Jy beam⁻¹), L1521F (1σ = 0.056 Jy beam⁻¹, min = −0.1 Jy beam⁻¹, max = 0.7 Jy beam⁻¹), L1521E (1σ = 0.087 Jy beam⁻¹, min = 0.1 Jy beam⁻¹, max = 2.1 Jy beam⁻¹), and L1551-IRS5 (1σ = 0.123 Jy beam⁻¹, min = −0.4 Jy beam⁻¹, max = 2.7 Jy beam⁻¹). The data behind this figure is provided as tar.gz FITS files.