This is a standard water-treatment test for the presence of organic pollutants. Wheat prices are the domestic producer prices per metric ton for wheat converted to U.S. dollars using the official exchange rate. Workers' remittances are current transfers by migrants who are employed or intend to remain employed for more than a year in another economy in which they are considered residents. The World Bank adheres to international guidelines in defining GNP, and its classification of workers' remittances may therefore differ from national practices. This item shows receipts by the reporting country.
Data are in current U.S. dollars.