Since 1974, the BBC reports, weekly purchases of tea have “experienced almost a two-thirds fall” from 68 grams (2.4 ounces) per household per week to just 25 grams (0.88 ounces).

Between the mid-1970s and the 1980s, tea consumption fell by 20 percent in the United Kingdom. ... executive director of the United Kingdom Tea Council, a trade group that seeks to spur tea sales.