Of course every survey may be flawed or mistaken, and we need to read carefully how they define harassment, etc. But based on that survey and others, and my own anecdotal experiences, I don't think we should be surprised when a woman says she never experienced sexual harassment.
This is a large industry, with lots of different cultures and experiences.
http://fortune.com/2016/01/11/survey-sexual-harassment-tech/
Of course every survey may be flawed or mistaken, and we need to read carefully how they define harassment, etc. But based on that survey and others, and my own anecdotal experiences, I don't think we should be surprised when a woman says she never experienced sexual harassment.
This is a large industry, with lots of different cultures and experiences.