Chart D. 



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 Jifes in dtjjeitnldirecdijnsduruiir 

 Ihelasdwokundredijears. 



i". IhentunberoJ hi(rh U'inds 

 in dt/fenenldirectiorisdnnnr 1S7Q 

 arurlSSO ■ 



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r 



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 iij -i- m li 



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f V ^^. * €t 



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^ m 1*7 ,V.I, ^ qR ^ I- ;^ 



36 



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32 



30 



28 



20 



2f 



22 



20 



IS 



10 



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12 



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8 



6 



+ 



2 







26 



22 

 20 



/8 



H 

 12 



in 



/ 



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/ 



/ 



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