I know that the number of mining workers has decreased this year. We can understand that from difficulty. New cards and devices are shut down to prevent damage from falling out of prices...
It is pretty hard to get a decent income from mining since the numbers of mining business increase but the price remains at low, and not wonder why some will drop down and collapse. Mining business needs a stable market demand, transactions to process and coins to mine but during the bear season, mostly everyone is at hold and so there is nothing to mine. Hope as the market goes back, it helps mining institution build back their profit and continue their job.