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| Company | Unit | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
| CVS Health | USD mil | ... | ... | ... | ... | ... | ... | ... | 37,938 | 37,958 | 37,196 | 36,830 | 37,691 | |||||||||||||||
| Walgreens Boots | USD mil | 20,021 | 20,636 | 30,709 | 29,325 | 25,929 |
Helgi Library 
