Masternodes Block Reward
Blocks: 1-24000 = 9 WAVI (until 23.04.18)
Blocks: 24001-158000 = 4.5 WAVI (until 15.11.18)
Blocks: 158001-175280 = 5.625 WAVI (presumably until 18.12.18)
Blocks: 175281-192560 = 6.75 WAVI (presumably until 21.01.19)
Blocks: 192561-209840 = 7.875 WAVI (presumably until 24.02.19)
Blocks: 209841-227120 = 8.4375 WAVI (presumably until 27.03.19)
Blocks: 227121-244400 = 9 WAVI (presumably until 30.04.19)
Blocks: 244401-261680 = yearly decline of production by ~7.1% per year; (57.5% for PoW, 42.5% for MN)