Table 50. Summary by Age and Principal Occupation of Operator: 1987 -Con. 



[For meaning of abbreviations and symbols, see introductory text] 



^Data are based on a sample of famis. 



^Farms with total production expenses equal to market value of agricultural products sold are included as farms with gains of less than $1,000. 



1987 CENSUS OF AGRICULTURE -STATE DATA 



MICHIGAN 81 



