if you looked at the roadmap it is to decrease over time 
Distribution schedule:
Year 1: 2^127 50%
Year 2: 2^126 25%
Year 3: 2^125 13%
Year 4: 2^124 6.3%
Year 5: 2^123 3.1%
Year 6: 2^122 1.6%
Year 7: 2^121 0.8%
Year 8: 2^121 0.8%
Distribution schedule:
Year 1: 2^127 50%
Year 2: 2^126 25%
Year 3: 2^125 13%
Year 4: 2^124 6.3%
Year 5: 2^123 3.1%
Year 6: 2^122 1.6%
Year 7: 2^121 0.8%
Year 8: 2^121 0.8%
ah. I was just about to ask about this very thing. thanks.
looking at the stats, the available supply would become dry in less than 2 years if the reward doesn't decrease.
edit: where did you find that, though? I don't see it on https://github.com/clemahieu/raiblocks/wiki/Roadmap
edit2: found it. https://github.com/clemahieu/raiblocks/wiki/Distribution-and-Mining
They are thinking about reducing it to 2 year total, so that the faucet is not a distraction.
it would be good if Dev increase the amount distribute
sometimes I have an error if I really work too long which I claim to many times. It says "try again" 
