Table 1.

Summary statistics, administrative data (1996–2009)

	Mean (SD)	Range
Year	2001.3 (3.5)	1996-2009
Year of birth	1940.2 (2.3)	1932-1944
Age Retired	62.4 (2.5)	54-70
Number of Plants	30
Number of People, Total	1,841
Number of People, Sufficient Data Available	1,008
Number of People, Observed Continuously	659
% Person-years retired	31 %
% People insured while working	83.1 %
% People insured while retired, pre age 65	69.1 %
% People with supplemental insurance age 65+	26.4 %
% Unionized Men Retired by Age 61	15.5 %
% Unionized Men Retired by Age 62	26.1 %	% Δ = 68 %
% Unionized Men Retired by Age 63	51.0 %	% Δ = 95 %
% Unionized Men Retired by Age 64	69.3 %	% Δ = 36 %
% Unionized Men Retired by Age 65	78.4 %	% Δ = 13 %