My BMI usually hovers around 22 (and I agree that that's what important).

I currently weigh about 65 kg. I am 170cm tall. I have a solid skeleton not fine bones. You can tell by looking at my hands. Why don't many people consider their skeleton size? If I had a finer bone structure I would consider myself a bit overweight... as it is my bones stick out if I get too close to 60kg (which i was last summer).