Added columns with $ 
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So if eth's reward downed on near 40%, then earnings in $ fell by 20% for 14 days!!!
Who asked you to go through all this? That isn't even accurate and their is no way you can keep a 100% accurate data about mining reward and difficulty lol, it's like suffering yourself for nothing, do you even have a mining rig or you are just here to create mining FUD So if eth's reward downed on near 40%, then earnings in $ fell by 20% for 14 days!!!