Sugar substitute sucralose, orange for monk fruit extract (a natural sweetener), and green for stevia (also natural). In 1969, cyclamate was banned for sale in the US by the Food and Drug Administration. In 2017, sucralose was the most common sugar substitute used in the manufacture of foods and beverages; it had 30% of the global market, which was projected to be valued at $2.8 billion by 2021. A class of sugar substitutes is known as "high-intensity sweeteners." These are compounds with many times the sweetness of sucrose, common table sugar. As a result, much less sweetener is required and energy contribution
City proper offices. These questionnaires ask for the country-specific definition of urban areas, rural areas and city proper. In its glossary, the Yearbook defines "city proper" as "a locality defined according to legal/political boundaries and an administratively recognized urban status that is usually characterized by some form of local government". In its data however, the United Nations Demographic Yearbook affords the individual countries considerable leeway over the definition of "city proper". The table titled "Population of capital cities and cities of 100 000 or more inhabitants" provides several country-specific definitions for "city proper" that diverge from the provided definition: These definitions are