Block 0 - 150 = 52.78% Per Annual year
Block 151 - 15,000 = 527.8% Per Annual Year
Block 15,001 - 30,000 = 263.9% Per Annual Year
block 30,001 - 45,000 = 131.95% Per Annual Year
block 45,001 - 60,000 = 65.97% Per Annual Year
Block 60,001 - Onwards = 57.28% Per Annual year
The ROI of the masternode seams to decrease rather quickly. Is that really intended ?
That is Proof Of Stake Rewards, Masternodes have a separate reward from PoS and that is set to a static reward @ 30BIX