Why did you think it was lower? I couldn't tell you my exact number if I wanted to, I was pretty wild in my early teens and college so mine was significantly higher at your age, intimacy has changed for me a lot over the years specifically when I got with my current SO, before it was purely physical pleasure for me, so I had very casual approach to it, but now a lot of the enjoyment is the emotional side. As long as you're comfortable with your partners past and their views of intimacy align with yours I think that's what matters.