In the next 10 years at SkyWest:

2012: 1
2013: 5
2014: 6
2015: 9
2016: 7
2017: 12
2018: 8
2019: 13
2020: 20
2021: 21

Around 100 of the current 3100 pilots. Approximately another 400 pilots will retire in the next 10 years after that. (And it really doesn't pick up until 2027.)