Is it bad if a 17 year old girl has had sex with 8 guys already?

I've been dating this girl for about a month now, and I've finally decided to ask her how many guys she's had sex with. I'm gonna be honest, I was really shocked when she said 8.. I myself have had sex with 15 girls but I feel its different for guys, yes its a double standard I know, but anyway, I really like This girl but I don't know if I can still date her, help me!