Z 

 LU 

 O 



cc 



LU 



0. 



30% -I 



25% 



o 

 cc 

 o 



"- 20% - 



DC 



o 



CO 



< 



15% 



10% - 



5% - 



Services 



Wholesale/Retail Trade 



Manufacturing 



Government 



Transportation, Communication & 



Public Utilities 

 Contract Construction 

 Finance, Insurance & Real Estate 

 Mining 



Agriculture 



-1 1 



1940 1950 1960 1970 1976 



YEAR 



Figure 15. Employment by major industry groups as a percentage of 

 MDPR total civilian labor force, 1940-76 (from Larson et al. 1980). 



29 



