Sort:  

You can see the last 7 days (2020.02.10-2020.02.17) in this blog post written by @penguinpablo:
Daily Steem Stats Report - Tuesday, February 18, 2020.
The blog post is showing both the Power Up and the Power Down amounts, and the difference between them.

The are not as interesting at the moment :)
Will do some probably in the future.

Coin Marketplace

STEEM 0.15
TRX 0.25
JST 0.039
BTC 94825.34
ETH 1808.47
USDT 1.00
SBD 0.87