are you in the IPA yet? There is a fantastic seniority program available to us which shows all sorts of charts and does all sorts of computations, including your number at retirement

http://tools.ipapilot.org/juniority/index.php

anyway, until I can figure out how to do the chart, here is the data

Near Term Retirements
Year # Retirements Chart
2007 89

2008 61

2009 60

2010 45

2011 52

2012 62

2013 65

2014 79

2015 98

2016 96

2017 97

2018 89

2019 136

2020 138

2021 172