I think the answer is like several others here have already stated, in that it depends on the woman.
I also think that even with the same person, it also varies from session to session as well as changing throughout one's relationship.
Early on in our marriage, my wife was much more vocal and louder. She was also much more into nasty talk and profanity. In fact, when having sex was one of the few times she would curse and being such a rare event, turned me on greatly. There were times her self-consciousness went entirely out the window and I'd actually have to chide her to tone it down as I was concerned someone else would hear.
Nowadays, she has done an almost 180, which is ironic since we no longer have to worry about others in the house or close-by neighbors like when we lived in apartments. Most of the time, she is fairly quiet with only soft moans or heavy breathing which I've learned to read to know when she is either close to coming or in the process of. While she does curse a lot more, but unfortunately it is when she is mad or upset and not during sex...LOL, so I kind of miss that sort of taboo-for-her occurrence
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Strangely enough, while she has become much quieter with me over the years, she was still louder with other men when we were swinging and I could usually hear her even in the next room
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These changes don't bother me too much as while I sometimes do wish she would act more like she's enjoying herself (even though I know she is), but on the other hand we've become so adept in each other's responses, performance art just for the sake of it is no longer a necessity.