Distribution of the peak frequencies for sources with .
|Peak frequency (GHz)||Source fraction|
|νpeak ≤ 6||0.27|
|6 < νpeak ≤ 12||0.40|
|12 < νpeak ≤ 20||0.15|
|20 < νpeak ≤ 40||0.15|
|40 < νpeak ≤ 100||0.03|
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