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Table 2 Summary statistics for the stage 1 model, total number of households and expenditure per month

From: Consumer demand for alcoholic beverages in Switzerland: a two-stage quadratic almost ideal demand system for low, moderate, and heavy drinking households

Total number of households 34,176   
  Mean Standard deviation Percentage of zero consumption
Total expenditure (in Swiss Francs) 8,432.70 5,132.24 0.00
Expenditure on food (in Swiss Francs) 616.63 354.78 0.14
Expenditure on beverages (in Swiss Francs) 121.63 186.97 2.38
All other expenditure (in Swiss Francs) 1395.42 4933.60 0.00