When alts wake up this happens. They've been dead for the best part of two years. It's been far, far, far lower in the most feverish phases. I think it got down to 36-37% at one point.
The whole thing is based off market cap which is a metric that is pathetically easily gamed so it's not a meaningful figure in itself.
If that's not the truth, the ripple boys decide to shit out another few million and the ripple shills brag on their centralized coins supposed market cap which we silly similar shit all over the place.