https://blockchain.info/charts/received-per-day?timespan=30days&showDataPoints=false&daysAverageString=1&show_header=true&scale=0&address=1KwA4fS4uVuCNjCtMivE7m5ATbv93UZg8V
That's normal... About 525 to 550 x S7's or 2,480 TH/s to 2,600 TH/s. Very normal.
about 0.5% of EVERYTHING.
But still 'normal' given the difficulty growth over the past couple of periods ... even if it settles down to 10% this time that's 56 PH added to the network in 12-13 days.
It seems like the most profitable time to mine was Jan - Sept of this year - price flat, difficulty flat, and mining equipment appreciated during that time frame. Those days are gone for now...