By 1992 the list of participating countries had grown to 140, and the timetable for ending production of CFCs advanced to 1996. This goal has largely been met. HCFCs pose less of a risk than CFCs because they decompose more readily in the lower atmosphere; nevertheless, they too degrade the ozone layer and are scheduled to be phased out by 2030.
From the end of 1984 until the eve of the Great Recession at the end of 2007, real personal consumption grew almost 37% more than the other components of real GDP. To a large extent, the secular growth of demand depended on the reliable rise in the spending of American households.
The unemployment rate in the U.S. during 1910â60, with the years of the Great Depression (1929â39) highlighted. The Great Depression was a severe worldwide economic depression that took place during the 1930s. The timing of the Great Depression varied across nations; in most countries it started in 1929 and lasted until 1941. It was the longest, deepest, and most widespread depression of the 20th century. In the 21st century, the Great Depression is commonly used as an example of how far the world's economy can decline.