How often does the average girl squirt

HI...

TO 1ST ANSWER YOUR QUESTION...WHAT PERCENT OF WOMEN "SQUIRT"...

Studies have found that:

* 54-60% of women have experienced emission of fluid at orgasm,

* with 6% reporting that they regularly ejaculate in a forceful manner, and

* an additional 13% stating that they have done so infrequently.

http://en.wikipedia.org/wiki/Female_ejaculation

AND...

How It Works

Females ejaculate? Yes, they do. We’re talking about a gusher of fluid spurting out of her pussy as she comes. Actually, to be more accurate, the fluid comes squirting out of her urethra. Don’t let this gross you out, though; it’s not pee! Female *** is a clear, odorless liquid produced by a small organ called the “female prostate,” or urethral sponge, which is located between the urethra and vagina. The fluid it produces just happens to come out of the pee hole, but...so does guys’ semen, right?

While some women may experience ejaculation naturally in the course of intercourse or other sex play, most require some concentrated stimulation of the G-spot. Massaging the G-spot causes the urethral sponge to become engorged with fluid, which is then expelled during orgasm. And, as with an orgasm, ejaculation also requires the woman to “let go.”

http://www.sextutor.com/ejaculation.shtml