Intro
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
Class Breakdown
First and Last
Product Level
Total Mail Volume
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Intro
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
Class Breakdown
First and Last
Product Level