DUPONT E I DE NEMOURS & CO | 2013 | FY | 3

    
2013
2012
2011
Dividend yield
3.6
%
3.2
%
3.2
%
Volatility
34.86
%
34.87
%
33.26
%
Risk-free interest rate
1.0
%
0.9
%
2.3
%
Expected life (years)
5.3

5.3

5.3

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