It's averages around 2.3% over the last 10ish years, but it's been as high as 4.1% and as low as 0.1% I think, given the swings in the economy. It's easily found on google. There's a calculator that lets you see the total inflation over any period as well. Did you know that since 2004 inflation has made everything about 21% more expensive? Have the wages for regional pilots gone up anything like that? It just keeps getting worse...