Opium export data for New York Chamber of Commerce 1870-1912 Opium export data for the New York Chamber of Commerce from 1870 through 1912. Includes exports from the Port of New York and an aggregate from all other US ports by year. Shared Dataset Variables Variable Name Description MONETARYVALUE monetary value or cost of goods/services/real estate PLACECOUNTRY the named country that is being measured in a dataset YEAR the year of an event or occurrence (not related to a person's life event)
