This chord has its origins in the Renaissance, further developed in the Baroque, and became a distinctive part of the musical style of the Classical and Romantic periods.
This implies that its use increased over time, and in particular was greater in the Classical and Romantic periods than in the Baroque.
That appears to be an effect of the data compiler’s bias. This list of I-5-7 chords from the same source has the same ratio.
From Wikipedia:
This implies that its use increased over time, and in particular was greater in the Classical and Romantic periods than in the Baroque.