I'd say slightly above average.
Actually IDK what the average is, it's probably kinda small over here since anything above average around here tends to draw the eye. alot.
Actually, so does anything that shows a bit of cleavage or something that isn't floppy / loose-fitting. Which either means most women I see during the commute are (slightly) overweight and / or very conscious about it, or they have poor taste in clothing (at least when it comes to floppy; cleavage probably isn't very acceptable in the workplace).
TL;DR: I don't know anything about women's clothing, just that I don't like fashion trends or lack thereof atm