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. Author manuscript; available in PMC: 2015 Apr 23.
Published in final edited form as: Am Econ Rev. 2015 Mar;105(3):1030–1066. doi: 10.1257/aer.20130758

Table 5.

Average Age in Massachusetts by Market Segment

2005 2006 2007 2008 2009 2009-2005
Individual 36.9 36.8 37.3 37.1 37.3 0.4
Small Group 33.1 33.3 33.5 33.7 34.1 1.0
Mid-Size Group 32.6 33.0 33.2 33.2 33.3 0.7
Large Group 33.3 33.4 33.7 33.7 34.8 1.5