There are currently about 18,375 million bitcoins in circulation. Think I read about four million bitcoins are considered lost, including the estimated one million bitcoins owned by Satoshi that never moved.
That means that there is a real stock of 14,375 million bitcoins. And with a block reward of now 6.25 bitcoins, there are 328,500 new bitcoins mined per year. This puts the inflation of Bitcoin for the next 365 days at around 2.8%.
Yes people tend to forget this. But you made a mistake in your calculation it is 2.3% and not 2.8%. However you look at it, it is very close to Gold. Bitcoins future is scarce.