I agree with Ivylog.
Like lots of people the first few years we always went to many different spots.
The last few years we have returned to the same spot each summer. Two factors at work:
1. At first, we were "looking around" and seeing what this great country had to offer.
2. After finding a spot that we really love, we keep going back.
So now, we are part of the 85% and happy about it.